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         Location of British Telecom Telephone Exchanges

ALB-Nl Newington Green TSVC, 21 Albion Road, Newington Green, London N169QI
ALB-SE Hampton House, 20 Albert Embankment, London SE1 7TL 
ALD-GU Aldershot TE, Ordnance Road, Aldershot, Hampshire GU11 2AH 
ALM-SO 6 Alma Road, Romsey, Hampshire S05 8ED 
ALS-SE 1-8 Alaska Street, London SE1 8UG 
ANG-EC The AngelCentre, 403 StJohns Street,London EC1 4PL 
ASH-AL St Albans TSVC, Ashiey Road, St Albans, Hertfordshire AL1 5JS 
ASH-N2 Ashley House, 235-239 High Road, Wood Green, London N22 4HP 
ASH-TW Ashford PMC, Shed 1, Ashford Hll Road, Ashford, Middlesex TW15 1HE
ATE-CR Croydon ATE, Teevan Road, Croydon, Surrey CR9 6DL 
AVE-SE New Eltham Depot, 1 Avery Hill Road, London SE9 2BB 
AVN-RG Avonbank House, 1 Pembroke Road, Newbury, Berkshire RG13 lBZ 
AYL-ME Aylesford ATE, High Street, Aylesford, Kent ME20 7AZ 
AZH-IP Anzani House, Trinity Avenue, Felixstowe, Suffolk IPI1 8XB 
BAS-WC Bastion House, 31-34, Bow Street, London WC2B 5HL 
BAT-EC Bath House, 52 Holborn Viaduct, London EClA 2ET 
BAT-SW Battersea TE, 60-62 Altenburg Gardens, Lavender Hill, London SW11lJN
BAY-EC Baynard House, 135 Queen Victoria Street, London EC4V 4AT 
BCK-BR Chislehurst TE, Bickley Park Road, Chislehurst, Bromley, Kent BRl2BH
BCK-CT Becket House, New Dover Road, Canterbury, Kent CTl 3BB 
BCK-HG SpaTEC, Back Royal Parade, Harrogate, North Yorkshire HG3 ONG 
BDD-MK Bedford ATE, Harpur Street, Bedford, Bedfordshire MK40 1RA 
BEC-SE Becket House, 60-68 St Thomas Street, London SE1 3QU 
BET-Nl Power Section Workshops, Betstyle Road, New Southgate,London N111JA
BEU-SE Beulah Hill TE, Church Road, London SE19 2QN 
BIL-EN Bilton Way, Enfield, Middlesex EN3 7PD 
BLC-SE 19-23 Biackfriars Road, London SE1 8NY 
BLK-NW West Hampstead TSVC, Blackburn Road, West Hampstead, London NW6lRZ 
BLK-WF Batley ATE, Blakeridge Lane, Batley, West Yorkshire WF17 8PD 
BLL-NW 30-34 Bell Street, London NWl 5BU 
BLT-SW Earls Court, The Boltons, Old Brompton Road, Earls Court, London SW10 9TB
BLT-W5 Bilton House, 54-58 Uxbrldge Road, Ealing, London W5 2TL 
BLY-W4 Chiswick TE, Barleymow Passage, Chiswick, London W4 4PL 
BNT-RG Basingstoke TE, Bounty Road, Basingstoke, Hampshire RG21 2BX 
BOV-HP Bovingdon TE, Hyde Lane, Bovingdon, Hemel Hempstead, Hertfordshire HP3 OEF
BRD-AL Welwyn Garden City TSVC, 73 Bridge Road East, Welwyn Garden City,Hertfordshire AL7 1JL
BRD-BR Bradway House, 3 High Street, Bromley, Kent BRl lLF 
BRD-SW Westminster ATE, 1A Broadway, Westminster, London SW1H OAY 
BRD-TN Tunbridgewells TEC,Broadwater Lane,Tunbridgewells,KentTN2 5RE 
BRD-UB Southall Assembiy Centre, Unit A, Bridge Road, Southall, Middlesex UB2 4AB
BRD-W1 Bird Street TE, 8-13 Bird Street, London W1M 6AD 
BRD-W5 Broadwalk, 54 The Badway, Broadway Centre, Ealing, London W5 5JY
BRH-SM Burgh Heath ATE, Garrats Lane, Banstead, Surrey SM7 2EE 
BRK-B1 Berkley House, 245 Bload Street, Birmingham, West Midiands B12 HQ
BRK-EC Broken Wharf House, High Timber Street, London EC4 3DL 
BRL-RG Newbury ATE, Bear Lane, Newbury, Berkshire RG14 5QR 
BRN-EN Barnet TE, 5-15, Leicester Road, New Barnet, Hertfordshire EN5 5EP
BRN-IG Barking TE, 62 Vctoria Street,, Barking, Essex IGll 8JE 
BRN-N1 Palmers Green ATE, 2 Bourne Hill, Palmers Green, London Nl3 4LG 
BRN-NW Burne House, Bell Street, North Paddington, London NWl SBZ 
BRT-EC 43 Bartholomews Close, LoDdoD EClA 7HP 
BRW-SE Bear Wharf, 27 BaDkside, London SEl 9BA 
BRX-SW Brixton TE, 45 Gresham Street, London SW9 7NU 
BSN-RG Reading Trunk Exchange, 11 Basingstoke Rosd, Reading, Berkshire RG2 OEW
BST-ME Medway Exchange, Best Street, Chatham. KeDt ME4 4AB 
BTC-EC British Telecom Centre, 81 Newgate Street, London EClA 7AJ 
BTH-BH Bournemouth TE, 18-20 Bath Road, Bournemouth, Dorset BHl 2NR 
BTH-TW Skyport TE, Bath Road, Hounslow, Middlesex TW6 2DU 
BTL-KT Walton On Thames TSVC, Badey Court, Rydens Road, Walton-on-Thames,Surrey KT12 3BU
BTT-W1 British Telecom Tower, 60 Cleveland Street, London WlP 6EA 
BUN-EC Bunhin Row OAC, 103-105 Bunhill Row, London EClY 8LR 
BUS-N1 Unit B, Bush Industrial Estate, Station Road,Tufnell Park, London Nl9 5UW
BXL-DA Bexleyheath TE, 313 The Broadway, Bexleyheath, Kent DA6 8DU 
CAL-EH Caledonian House, l9a, Canning Street, Edinburgh, Scotland. EH38TA 
CAM-SE Camelford House, 87 Albert Emhankment, London SE1 7TS 
CAM-UB Southall TE, Cambridge Road, Southall, Middlesex UBl 3BH 
CAN-N5 Canonbury TE, 1-3 Highbury Grove, London N5 1HG 
CAP-EH Capital House, 2 Festival Square, Edinburgh, Scotiand EH3 9ST 
CAR-EC Caroone House, 14 Farringdon Street, London EC4A 4DX 
CAT-SE Catford TSVC, 2 Fordmill Road, Catford, London SE6 3TH 
CAV-EC Cavendish TE, 107 Houndsditch, London EC3A 7NB 
CAX-EC Caxton House, 2-12 Farringdon Road, LDndon EClM 3LU 
CCC-AB City Communications Centre, 9 Bridge Street, Aberdeen, Scotland.AB1 2JL
CDH-WC Control Data House, 179 Shafteshury Avenue, London WC2H 8AR 
CFD-DA Crayford TE, Southworld Road, Crayford, Bexley, Kent DA5 1LZ 
CFD-W1 West End EPMC, 6-7 Cillford Street, London WlX 2DJ 
CGY-EC Barbican Computer Centre, 26/28 Glasshouse Yard, London EClA 4JY
CHC-RG Caversham TE, 15 Church Street, Caversham, Reading, Berkshire RG48AZ
CHE-KT Chessington TSVC, Cox Lane, Chessington, Surrey KT9 1TX 
CHL-BR Orpington TE, Chislehurst Road, Orpington, Kent BR6 ODB 
CHP-EC Cheapside House, 138 Cheapside, London EC2V 6JH 
CHR-KT Chertsey TE, Guildford Street, Chertsey, Surrey KT6 9AA 
CHS-EC 5 Cheapside, London EC2V 6AA 
CHS-RH Chesterfield Park, Buckland Road, Reigate, Surrey RH2 9TB 
CHS-SW Belgravia TE, 21-24 Chesham Piace, London SWlX 8HG 
CLA-CO Ciacton Word Processing Centre, 103-105 Carnarvon Road, Ciacton-onSea, Essex CO15 6PR
CLC-RM Ingrehourne TE, Colchester Rosd, Harold Wood, Ingrebourne, Romford,Essex RM3 OXD
CLL-OL Rochdale TE, 2 College Road, Rochdale, Grester Manchester OL12 6RZ
CLM-SE Columbo House, Joan Street, London SEl 8BE 
CLN-N1 Coppetts TSVC, Colney Hatch Road, New South Gate, London Nll 3DG
CLN-NW Colindale House, The Hyde, Edgeware Road, Colindale, London NW96HH 
CLN-RH Redhill OAC, 22 Clarendon Rosd, Redhill, Surrey RHl lDY 
CLR-CB Clarendon House, Clarendon Road, Cambridge, Cambridgeshire CB2 2BA
CLR-CO Information Systems Unlt,9 Clarendon Way,Colchester,Essex CO1 1BE
CLT-EC 29 Clothfair, London EClA 7JQ 
CLW-EC Clerkenwell ATE, 1 Ironmonger Row, London ECI 3QN 
CML-NW 103 Carmley Street, London NWI 0PU 
CMM-E1 Stepney Green TE, 419-425 Cormmercial Road, Stepney Green, London E1 OHA
CMM-SY Communications House, Harlescott Lane, Shrewsbury, Shropshire SYI3AQ
CNG-El Canning Town TSVC, Stephenson Street, Canning Town, London E16 4SL
CNH-SW Chantrey House, 4 Eccleston Street, London SWlW 9LN 
CNN-HA Pinner ATE, Cannon Lane, Plnner, Middlesex HA5 1JL 
CNS-KT Chessington TE, Coniston Way, Chessington, Surrey KT9 IED 
COM-HX Halifax ATE, Commercial Street, Halifax, West Yorkshire HX1 IBT 
CON-SW Connect House, 133-137 Alexandra Road, London SW19 7JY 
CRD-EC Cardinal House, 12 Farringdon Road, London EClM 3ND 
CRD-RG Reading CC, 128-130 Cardiff Road, Reading, Berkshire RGI 8PQ 
CRG-EH Capital TE, 357 Gorgie Road, Edinburgh, Scotland EH14 2RP 
CRG-SW Whitehall TE, 6 Craigs Court, Whitehall, London SWlA 2DB 
CRG-SY BT Radio Station Criggion, PO Box 2, Oswestry, Shropshire SY10 8PA
CRO-CR Croydon ATE, Scarbrook Road, Croydon, Surrey CR9 lXL 
CRT-PO Portsmouth TEC, Court Lane, Cosham, Portsmouth, Hampshire PO6 2LL
CRV-W5 Ealing TSVC, 1 Craven Road, Ealing, London W5 2UA 
CRY-BR Common Service Centre, Cray Avenue, Orpington, Kent BR5 3QF 
CRY-DA Crayford TSVC, 158-160 Crayford Road, Crayford, Kent DA1 4ES 
CRY-SE Sydenham TE, 2 Crystal Palace Park Road, Sydenham, London SE26 6EF
CSH-PO Cosham Trunk TE, Vectis Way, Cosham. Hampshire PO6 3AN 
CST-Wl Castle House, Gordon Road, London W13 8QD 
CTG-E7 City Gate House, 246-250 Romford Road, Forest Gate, London E7 9HZ
CVH-UB Cave House, Osborne Road, Uxbridge, Middlesex UB2 2TT 
CWD-CO Colchester TEC/MTW, Cowdray Avenue, Colchester, Essex CO1 1YD 
DAR-DA Dartford DAC, Suffolk Road, Dartford, Kent DA1 1EH 
DCS-E1 Docos House, 62-82 Commercial Road, London E1 1NR 
DEF-EC Defoe Court, 44 Feathertone Street, London EC1Y 8RN 
DGL-SW Regency Street TSVC, 8-14 Douglas Street, London SWlP 4PD 
DHH-EC Dowgate Hill House, Dowgate Hill, London EC4R 2SU 
DKS-SO Dukes Keep, Marsh Lane, Southampton, Hampshire SO1 1EX 
DLH-WC Dial House, 151 Shaftesbur Avenue, London WC2H 8BA 
DLT-CR Delta Point, 35 Wellesley Road, Croydon, Surrey CR9 2YZ 
DNS-LN Danesgate House, Grantham Street, Lincoln, Lincolnshire LN2 1BA 
DNS-LU Luton ATE, Dunstable Place, Luton, Bedfordshire LU1 1QD 
DRK-G4 Casdemilk TEC, 179 Drakemire Drive, Castlemilk, Glasgow, Scotland G45 9SS
DRR-WC Dury Lane TSVC, 141-143 Drury Lane, London WC2 5TB 
DRY-SW South Kensington TE, 76 Draycott Avenue, South Kensington, London SW3 3AB
DUL-SE Dulwich TE, 512 Lordship Lane, East Dulwich, London SE22 8NF 
EDH-SE Edinburgh House, 154-182 Kennington Lane, London SE11 4EZ 
EDS-BR Bromley TE, 1 Edison Road, Bromley, Kent BR2 OEQ 
ELH-MK Elder House, 564 Eldergate, Milton Keynes, Buckinghamshire MK9 ILK
ELL-G3 75 Elliot Street, Glasgow, Scottand. G3 8EX 
ELL-IG Elliot House, 6 Ilford Hill Ilford, Essex IG1 2BA 
END-WC Euston TE, 30 Endsleigh Gardens, London WClH OEJ 
ENF-EN Enfield ATE, 28 Cecil Road, Enfield, Middlesex EN2 6SX 
ENT-RH Enterprise House, Worthing Road, Horsham, West Susses RH12 1TL 
EPS-KT Epsom TE, East Street, Epsom, Surrey KT17 1BA 
ERL-SE Erlang House, 125 Blackfriars Road, Saint George Circus, London SEl 8BA
ERP-TN Europa House,Church Road,Tunbridge Wells,KentTN1 1HT 
ESH-KT Esher TE/AMC, Hare Lane, Claygate, Esher, Surrey KT10 9BX 
EST-HP High Wycombe ATE, 17-18, Eastern Street, High Wycombe, Buckingharnshire HP11 1NR
EST-NW Euston TE, 165 Euston Road, Euston, London NW1 2BH 
EST-UB Hayes North TE, East Avenue, Hayes, Middlesex UB3 2HJ 
ETT-NW Euston Tower, 286 Euston Road, London NW1 3DG 
EUR-EC Europa House, 13-17 Ironmonger Row, London EClV 3QN 
EUS-NW Mobile House, Euston Square, London NW1 2DW 
EWE-KT Ewell TE, 5 London Road, Ewell, Surrey KT17 2AY 
EWL-KT Surbiton TE, 5 Ewell Road, Surbiton, Surrey KT6 6AB 
EXC-RM Romford TE/GSC, Exchange Street, Romford, Essex RM11 RR 
FAL-EC Falcon House, Aldersgate Street, London EClA 4ET 
FAR-EC Meridian House, 34-35 Farringdon Street, London EC4A 4ED 
FBR-W1 45 Fouherts Place,Regents Street,London WlV 2DN 
FLD-SE Fielden House, 28-42 London Bridge Street, London SE1 9SG 
FLH-SW Chelsea TSVC, 234 Fullham Road, Chelsea, London SW10 9HB 
FLK-MK Faulkner House, Bletchley Park, Milton Keynes, Buckinghamshire MK36EA
FLM-SE Southwark TSVC, 25 Falmouth Road, Southwark, London SE1 4JH 
FLT-EC Fleet Buildung, 40 Shoe Lane, London EC4V 3DD 
FNC-IG Hainault TE, 358 Fence Piece Road, Hainault, Essex IG7 SDY 
FNC-NW Hampstead TE, 361 Finchley Road, London NW3 6EX 
FOR-HA Edgware Installation Office, The Forum, High Street, Edgware, MiddlesexHA8 7 BB
FRD-B9 Fordrough Lane, Bordesley Green, Birmingham, West Midlands B9 SLD
FRD-EC Faraday Building, Queen Vlctoria Street, London EC4V 4BU 
FRD-N7 Lower Holloway TE, Faraday Close, Lower Holloway Road, London N78EH
FRH-RG Farley Hall, London Road, Binmeld, Bracknell Berkshire RG12 SEU 
FRH-SO Friary House, Briton Street, Southampton, Hampshire SO9 1BB 
FRN-BR Farnborough TE, Church Road, Farnborough, Kent BR6 7DB 
FRS-WD Watford TE, First Avenue, Garston, Watford, Hertfordshire WD2 6PS
FRT-EC Moorgate ATE, 72 Fore Street, Moorgate, London EC2Y SEQ 
GDM-IG Goodmayes TE, 87 High Street, Goodmayes, llford, Essex IG3 8TB 
GLN-UB Yeadung TSVC, Glencoe Road, Yeading, Hayes, Middlesex UB4 95J 
GNH-TR Goonhilly Satellite Earth Station, Goonhilly Downs, Helston, CornwallTR12 6LQ
GRB-BS Graham Bell, Telephone House, Queen Charlotte Street, Bristol, AvonBSl lBA
GRF-HP Aylesbury TEC, Griffin Lane, Aylesbury, Buckinghamshire HP19 3BW
GRL-N2 Winchmore Hill TE, 892 Green Lane, Winchmore Hill, London N21 2BG
GRL-RH East Grinstead ATE & TRS, Garlands Road, East Grinstead, WestSussex RH19 lED
GRN BN Grenville House, 52 Churchill Square, Brighton, East Sussex BN12ER 
GRN-N2 Green Ridings House, 245 High Road, Wood Green, London N22 3HF 
GRN-SW Pimlico TE, 34-36 Greencoat Piace, Pumlico, London SWlP lEE 
GRN-UB Greenford TE, 398 Greenford Road, Greenford, Middlesex UB6 9AL 
GRR-WC Gerrard Buildiung, 8/13 Lisle Street, London WC2H 7BQ 
GRS-EC 2-12 Gresham Street, London EC2V 7AG 
GRT-EC Monument TE, 11/13 Great Tower Street, London EC3R SEA 
GRV-SM Sutton TE, 17 Grove Road, Sutton, Surrey SM1 lBA 
GRY-WC Kings Cross TE, 233 Grays Inn Road, Kings Cross London WClX 8RD 
GWR-WC 151 Gower Street, London WClE 6BA 
HAM-W6 Hammersmith TE, Riverside Gardens, Hammersmith, London W6 9LQ 
HAY-SR Hayes Common ATE, 10 Hayes Street, Bromley, Kent BR2 7LF 
HDD-W1 Haddon House, 2-4 Fitzroy Street, London W1P SAD 
HEN-NW Hendon West Telephone Exchange, 75 Watford Way, London NW4 3BT 
HGH-EN Enfield TE, 40 High Street, Ponders End, Enfield, Middlesex EN34EP 
HGH-WC 203 High Holborn, London WClV 7BU 
HGM-E1 Highams Park TE, Brookescroft Road, London E17 4LH 
HGS-SE Penge TSVC, 66 High Street, Penge, London SE20 7HB 
HHL-WC Holborn TE, 268/270 High Holborn, London WClV 7EJ 
HIL-SE Hill House, 133-150 Blackfriars Road, St. Georges Circus, London SEl 8BA
HLR-EC 150 Holborn, London EClN 2NS 
HLC-EC Holborn Centre, 120 Holborn, London EClN 2TE 
HLF-DA Sidcup TSVC, 37-39 Halfway Street, Sidcup, Kent DA15 8LH 
HLL-CR Downland TE, 2 Hollymeoak Road, Downland, Coulsdon, Surrey CR5 3YH
HLL-E1 Wanstead TE, Holly Lodge, Gordon Road, Wanstead, London E11 2RB 
HLL-NW Lords TE, Hall Road, Lords, London NW8 9RD 
HLL-TW Hounslow TE, Holloway Street, Hounslow, MiddlesexTW3 lBD 
HLN-E1 Walthamstow TSVC, Hale End Road, Walthamstow, London E17 4DJ 
HLS-TN TW+Tenterden ATE, Hales Close, Tenterden, Kent TN30 6RJ 
HND-EC Houndsditch TE & TSVC, 107-11O Houndsditch, London EC3A7NB 
HNR-TW Annandale House, 1 Hanworth Road, Sunbury on Thames, Middlesex TW16SDJ
HOD-EN Hoddesdon TE, High Road, Broxbourne, Hertfordshire EN10 7HU 
HPS-E9 Hackney TSVC, Hepscott Road, Hackney, London E9 SHB 
HCL-UB Harmondsworth ISU, Colnbrook By-Pass, Harmondworth, West Dryton,Mlddlesex UB7 OHA
HRB-E1 Harbour TE, Harbour Exchange Square, Isle of Dogs, London E14 9GE
HRN-BH Heron House, 8-10 Christchurch Road, Bournemouth, Dorset BHl 3NA
HRN-G2 Heron House, 255 St Vincent Street, Glasgow, Scotland. G2 SBA 
HRR-WC Harrison Street TE, 39/40 Harrison Street, London WClV 7EJ 
HTF-EN Potters Bar TE, Hatfield Road, Potters Bar, Hertfordshire EN6 lHR
HVL-TN Operator Exchange, Havelock Road, Hastings, Sussex TN34 lDQ 
HYD-NW Hyde House, The Hyde, Edgeware Road, Colindaie, London NW9 6LH 
HYS-UB Aeradio House, Hayes Road, Southall Middlesex UB2 SNJ 
ILF-IG Peachey House, 39 Ilford Hi4 Ilford, Essex IGl 2BA 
IMP-L2 Imperial Bulldings, Exchange Street, Liverpooi, Merseyside L2 3PQ
INT-SE Intel House, 24 Southwark Bridge Road, London SEl 9HJ 
IVC-WD Iveco Ford House,Station Road, Watford, Hertfordshire WDl lSR 
JDD-WC Kelvin House, 123 Judd Street, London WClH 9NP 
JPP-E1 Stratford TE, 20-30 Jupp Road, Stratford, London E15 lAF 
JRM-E1 Bishopsgate TE, Jerome Street, Bishopsgate, London El 6NJ 
KEN-SE Kennington TE, Kennington Park Road, Kennington, London SE11 STP
KNG-CR New Addington TE, King Henrys Drive, Lodge HilL New Addlington,Surrey C R9 ODY
KNa-E8 Kingsland Green TE, Kingsland Green, London E8 2LA 
KNG-ME Maidstone ATE, 9-11 King Street, Maidstone, Kent ME14 lAD 
KNG-PO Portsmouth CTE, King Henry 1 Street, Portsmouth, Hampshire P01 2BZ
KNT-NW Kentish Town Road, 177 Kentish Town Road, London NW1 8PE 
KRK-UB Kirk House, 97-109 High Street, West Drayton, Middlesex UB7 7BJ 
KYB-SW Keybridge House, 80 South Lambeth Road, London SW8 1 RE 
LBS-SE 20 London Bridge Street, London SE1 9SH 
LCC-LS Leeds Computer Centre, 307 Dewsbury Road, Leeds, West YorkshireLSll SUQ
LFL-OX BT College, Leafield, Oxford, Oxfordshire OX8 5PB 
LFN-IG llford North, 227 Cranbrook Road, Ilford, Essex IG1 4TL 
LGR-SE Lee Green TE, 133 Lee High Road, Lee Green, London SE13 SPG 
LGT-IG Loughton TE, 17-19 Priory Road, Loughton, Essex IG10 LF 
LHM-SE Lewisham OAC, 199/201 High Street, Lewisham, London SE13 6LY 
LIL-SW Fulham TE, 84 Lilly Road, Fulham, London SW6 lTJ 
LMB-SE 6 Lambeth Road, St Georges Circus, London SEl 6HU 
LMP-CR Warlingham TE, Limpsfield Road, Warlingham, Surrey CR3 9YX 
LNC-EN Enfield TEC, 277 Lincoln Road, Enfield, Middlesex ENl lSY 
LND-EC Loodon House, 173 Aldersgate Street, Loodon EClA 4H H 
LND-HA Wembley TE, Loodon Road, Wembley, Middlesex HA7 4PT 
LND-PO Waterloovill ATE, 210 Loodon Road, Waterlooville, Hampshire P077AJ 
LND-SS Southend Main TE, 221 London Road, Southend-on-Sea, Essex SS0 7BT
LNG-CB Cambridge TE, Long Road, Camhridge, Cambridgeshire CB2 2HG 
LNG-KT Long Ditton Repeater Station, Avondale Avenue, Esher, Surrey KT10ODA
LNS-EC Landsec House, 23 New Fetter Lane, Loodon EC4A lAE 
LPL-GU Guildford ATE, Leapale Road, Guildford, Surrey GU14BD 
LRD-PR Guild Centre, Lords Waik, Preston, Lancashire PRl 1RA 
LRL-HA Harrow TE, The Laurels, 54 Harrow View, Harrow, Middlesex HAl 1RF
LTH-EC Lintas House, 15-19 New Fetter Lane, Loodon EC4P 4EU 
LTH-SE 9 Leathermarket Street, Loodon SEl 3HN 
LTT-CT Liffkebourne TEC, Liffdebourne Road, Canterbury, Kent CTl lTN 
LVE-EN Lea Valley Telephooe Echange, Britannia Road, Lea Valley, WaithamCross, Hertfordshire EN8 7NR
LVR-AL St Albans TE, Liverpool Road, St Aibans, Hertfordshire ALl 3UL 
LVR -SE Walworth TE, Liverpool Grore, Walworth, Loodon SE17 2HH 
LYM-NW 27 Lymington Road, West Hampstead, Loodon NW6 lHZ 
LYN-SE Bermondsey TE, Lynton Road, Bermondsey, London SE1 SRN 
MAL-KT Malden TE, Coombe Road, Malden, Surrey KT3 4QN 
MAN -MK The Mansion, Bletchley Park,, Milton Keynes, Buckinghamshire MK36EA
MAY-SW Mayfair Works, Opposite Arch 11 Off Miles St, Loodon SW8 2LR 
MAY-W1 Mayfair TE, 41 Farm Street, London W1X 8HB 
MDL-HR Madley Communication Centre, Street House Farm, Madley, HerefordWorcester HR2 9NH
MDV-W9 Maida Vaie TE, 136-138 Maida Vale, Loodon W9 lQD 
MIL-IG Mill House, 11 Ilford Hill, Ilford, Essex IGl 2BZ 
MIL-NW Mill Hill TE, 81-83 The Broadway, Loodon NW7 3BU 
MLB-SM Wallington TE, Melbourne Road, Wallington, Surrey SM6 8SE 
MLC-SE Milcote House, 1-7 Library Street, London SEl ORN 
MLL-SE Chelsea TE, 19 Mallord Street, London SE3 6AP 
MLT-N1 West Green TSVC, Milton Road, West Green Road, London N15 8DS 
MNC-M2 Mancos House, 1 Crewe Road, Wythenshawe, Greater Manchester M239BE 
MND-SE Central Warehouse, Mandela Way, Bricklayers Arms, London SEl 5SS
MNR-N7 ManorGardens, 10-18 Manor Gardens, London N7 6JY 
MNS-RG Reading ATE, 41 Minster Street, Reading, Berkshire RG1 2JE 
MON-EC Mondial House, 994 Upper Thames Street, London EC4R 3UB 
MOR-N2 Mooreham House, 3-5 Bounds Green Road, Wood Green, Loodon N22 4HE
MPL-W1 9-18 Magpie Place, London WlP SFX 
MRC-BS Mercury House, Bond Street, Bristol, Avon BSl 3TD 
MRD-CR Mitcharn TSVC, 145 Morden Road, Mitcham, Surrey CR4 4DG 
MRL-CR Southern London District Warehouse, Marlowe Way, Beddington FarmRoad, Croydon, Surrey CR9 4QN
MRL-SE Merlewood House, 20 Well Hall Road, Eltham, London SE9 6SF 
MRS-HA Old Pinner TE (Pinner B), Marsh Road, Pinner, Middlesex HA5 SNW 
MRT-NW Merit House, The Hyde, Edgware Road, Colindaie, London NW9 SBB 
MSC-W2 Bayswater TE, Moscow Road, Bayswater, London W2 4LH 
MSM-EC Museum House, 174-176 Aldersgate Street, London EClA 4HN 
MTC-CR Mitcham TE, 267 London Road, Mitcham, Surrey CR4 3UA 
MTC-SW Streatham TSVC, 55-57 Mitcham Lane, Streatham, London SW16 6NQ 
MZH-SE Greenwich DAC, 14 Maze Hill Road, Greenwich, London SE10 9XF 
NSR-SE Southwark TE, 5 Nebraska Street, Great Dover Street, Southwark,London SEl 4LT
NET-LS Netel House, 6 Grace Street, Leeds, West Yorkshire LSl 1 EA 
NET-NW Network House, 1 Eversholt Street, London NWl 2DN 
NEW-EN New River House, Southury Rnad, Enfield, Middlessx ENl iAS 
NRH-RM Hornchurch TSVC, 108a North Street, Hornchurch, Essex RMll lSU 
NRT-CT Northgate House, ll5-120 Northgate, Canterbury, Kent CTl lBH 
NRT-HA Northgate House, 72 Northholt Road, South Harrow, Middlesex HA2ODW 
NRT-RM Hornchurch TE, 64 North Street, Hornchurch, Essex RMll lSS 
NRT-WC Bloornsbury AMC, 5 North Crescent, Chenies Street, Bloomsbury, LondonWClE 7ES
NSH-SN North Star House, North Star Avenue, Swindon, Wiltshire SN2 lBS 
NST-HP Aylesbury ATE, New Street, Aylesbury, Buckingharmshire HP20 2NN
NTH-SE Woolwich TSVC, 7 Nathan Way, Woolwich, London SE28 OAU 
NTT-Wl Marylehone ATE, 11 Nottingham place, Marylebone, London WlM 3FL 
NWD-HA Northwood TE, Dene Road, Northwood, Hertfordshire HA6 2AB 
NWH-HP Network House, Brindley Way, Doolittle Meadows, Aspley, Hemel Hempstead,Hertfordshire HP3 9RR
NWO-WC Commonwealth House, 1-19 New Oxford Street, London WClA lNU 
NWT-AB New Telecom House, 73-77 South College Street, Aberdeen, Scotiand. ABl 2FD
OAK-IG Oakwood House, Oakwood Hill Industrial Estate, Oakwood Hill, Loughton,Essex IG10 3TZ
OLD-EC 207 Old Street, London EClV 9PS 
OLS-EC 211 Old Street, London EClV 9PS 
ORP-WD Watford TSVC, Orphanage Road, Watford, Hertfordshire WDl 1PW 
OXF-UR Denham ATE, Oxford Road, Uxbridge, Middlesex UB9 9DP 
PET-CO St Peters House, 22 St peters Street, Colchester, Essex COl lET 
PFH-EC Priory Fields House, 120 Aldersgate Street, London EClA 4JQ 
PLS-EC Engineering Training Centre, 69-77 Paul Street, London EC2A 7LX 
PND-CF The Coryton Building, 25 Pendwyallt Road, Coryton, Cardiff SouthGlamogan, Wales. CF4 7YR
PNT-Nl 91-99 Pentonvilie Road, London Nl 9LZ 
PNX-MK Phoenix House, Central Piaza, 202 Eldergate North, Milton Keynes,Buckinghamshire MK9
POR-IP Telephone Exchange, Portman Road, Ipswich, Sufolk IPl 2AU 
PPL-TW Ashford TSVC, Shed 3b, Popular Road, Asmbrd, Middlessex TW15 lYF
PRC-CF Coryton DEO, 29A Pendwyaiit Road, Coryton, Cardiff, South Glamorgan,Wales CF4 7XS
PRC-WC Procter House, 100-110 High Holhorn, London WClV 6LD 
PRD-W2 Paddington TSVC, 12 Praed Street, Paddington, London W2 lNH 
PRG-SW Parsons Green TE, 30-36 Peterborough Road, London SW6 3BN 
PRK-IG Ilford TSVC, Perkins Road, Barkingside, Ilford, Essex lG2 7NQ 
PRK-SE Gipsy Hill TE, 20-26 Parkhall Road, Gipsy Hill London SE21 8DW 
PRK-WC Parker Tower, 43-49 Parker Street, London WC2B SPS 
PRN-WC Princess Court, 8-18 Wild Street, Drury Lane, London WC2B 4DL 
PRR-DN Doncaster TE, 24 Priory Place, Doncaster, South Yorkshire DNl LAA
PRR-El London Teleport, Pier Road, North Woolwich, London E16 2JJ 
PRT-M0 1 Portland Street, Manchester, Greater Manchester M60 lHR 
PRT-W1 WED Training Centre, 13A Portobello Road, London W11 3DA 
PTR -GU Petersfield ATE, Charles Street, Petersfield, Surrey GU32 1EH 
PTY-SW Albany House, 94-96 Petty France, London SWlH 9EA 
PUR-CR Purley TE, 88 Brighton Road, Purley, Surrey CR2 4YD 
PUT-SW Putney TE, Montserrat Road, London SW15 2LB 
ONC-BS Queen Charlotte House, 53/55 Queen Charlotte Street, Bristol, AvonBS1 lBA
ONS-W5 North Ealing TSVC, 96 Queens Drive, Ealing, Londnn W5 3HY 
OYH-El Quay House, Admirals Way, isle of Dogs, London E14 9XG 
RBN-HA South Harrow TE, Northolt Road, South Harrow, Middlesex HA2 OBA 
RCH-OL Rochdale Computer Centre, Townhead, Pitt Street, Rochdale, GreaterManchester OL12 0UW
RCH-WC Colquhoun House, 5 Richbell Piace, London WClN 3LA 
RCK-Sl 220 Rockingham Street, Sheffield, South Yorkshire S1 3PL 
RCS-AL Record Centre Senices, Riverside Lndustrial Estate, Lowbell Lane,London Colney, Hertfordshire AL1 7AY
RDG-E4 Chingford OAC, 145 The Ridgeway, Chingford, London E4 6QX 
RDR-RM Dagenham TE, Reede Road, Dagenham, Essex RM10 8DR 
RGN-CB Cambridge TE, 1 Regent Street, Cambridge, Cambridgeshire CBI IBA
RGN-SW 90-100 Regency Street, London SWIP 4AW 
RLS-WC Churchill House, 35 Red Lion Square, London WCIR 4SG 
ROD-El Rodwell House, 100 Middlesex Street, London El 7ilD 
ROF-TN Rotherfield Exchange, New Road, Rotherfield, Crowborough, Sussex TN6 3JR
ROR-SW 17-19 Rochester Row, Victoria, London SWlP lLA 
RSK -SE Ruskin House, 185 Shakespeare Road, Herne Hill London SE24 0PZ 
RSL-HA Ruislip TE, High Street, Ruislip, Middlesex HA4 7BJ 
RSL-UB Greenford TE, Rulslip Road, Northolt, Greenford, Middlesex UB5 6HE
RSS-WC Covent Garden ATE, 24-28 Russell Street, Covent Garden, London WC2BSHL
RVR-N2 River Park House, 225 High Road, Wood Green, London N22 4LN 
RVR-SE Riverside House, 2a Southwark Bridge Road, London SE1 9BA 
RWN-SO Rownhams TR, Rownhams Lane, Rownhams, Southampton, Hampshire SO18AP
RYL-CR Ryland House, Church Road, Croydon, Surrey CR9 lPA 
RYL-E1 Wapping TE, Royal Mint Street, Wapping, London E1 8LQ 
SCT-SP Salisbury TE, Scotts Lane, Salishury, Wiltshire SP1 3TW 
SDC-DA Sidcup TE, 4-6 Station Rnad, Sidcup, Kent DA15 7ED 
SDD-SW Sloane Square TE, Sedding Street, Sloane Square, London SWlX 9DF
SEN-TW Osterley Computer Centre, Unit 1, Centaurs Business Park, Syon Lane,Osterley, Middlesex TW7 SQD
SGB-HA Stanmore Government Buildung, London Road, Stanmore, Middlesex HA74BT
SHA-WC 177-199 Shaftesbury Avenue, London WC2H 8BA 
SHF-WC 125 Shatteshury Avenue, London WC2H 8BE 
SHN -UK Shenley Church End ATE, Wolfscote Lane, Emerson Valley, MiltonKeynes, Buckinghamshire MK5 6A
SHR-El Shoreditch High Street OAC, 74 Shoredltch High Street, London E16JN
SHT-SE Kidbrook TE, 401 Shooters Hill Road, Kidbrook, London SE18 4LH 
SKY-TW Skyport House, IA Bath Road, Heathrow, Hounslow, Middlesex TW6 2HS
SLV-Nl Edmonton TE, 56-62 Silver Street, Edmonton, London N18 lQT 
SNB-TW Sunbury on Tharnes TE, Hanworth Road, Sunbury on Thames, Middlesex TW13 SAF
SND CR Sanderstead TE, Church Way, Sanderstead, Surrey CR2 OYE 
SND-SM Sandiford TSC, 14 Sandiford Road, Sutton, Surrey SM11 BA 
SPD-OX Oxford TE, 35 Speedwell Street,, Oxford, Oxfordshire OX11 RH 
SPW-NW 22/24 St Pancras Way, London NW1 OQG 
SST-RM Romford South ATE, 192 South Street, Romford, Essex RM1 lHL 
STA-AL St Albans Computer Centre, 156 St Albans Road, Sandridge Street,St Albans, Hertfordshire AL4 9NH
STA-BN Eastbourne Neville Exchange, 31 St Annes Road, Eastbourne, WestSussex BN21 2DD
STA-EC St Alpbage House, 2 Fore Street, London EC2Y 6XA 
STA-TW Staines CSC, Fairfield Avenue, Staines, Middlesex TW18 4AB 
STA-W7 Hanwell ATE, Station Road, London W7 3JF 
STB-EC St Botolph House, 138 Hounditch, London EC3 7ND 
STD-N1 Studd Street, London N1 OQL 
STF-CR Croydon TSVC, Stafford Road, Croydon, Surrey CR9 SQU 
STG-LE 1 St Georges Way, Leicester, Leicestershire LEI IBA 
STG-WC St Giles House, I Drury Lane, London WC2V SRS 
STH-DT Dorchester TE, South Walks, Dorchester, Doret DTI I EA 
STH-RM Romford GSC, 192 South Street, Romford, Essex RMI ITR 
STJ-LS St Joseph's Well Hanover Walk, Leeds, West Yorkshire LS3 IAB 
STL-N1 Edmonton ATE/AMC, Stirling Way, Edmonton, London N18 IQII 
STM-PO Ryde ATE, St James Street, Ryde, Isle of Wight PO33 2N H 
STM-SE New Cross TE, 24 St Mary's Road, New Cross, London SEI5 2DP 
STM-W2 Paddington TE, 75 77 St Michaels Street, Paddington, London W2 IQS
STM-W5 Ealing TE, St Marys, The Green, Ealing, London W5 SEI 
STN-HA Stanmore TE, Elm Park, Stanmore, Middlesex HA7 4AX 
STN-ME Stoneborough House, King Street, Maidstone, Kent MEI5 6AW 
STN-TW Staines TE, Tothill Street, Staines, Middlesex TW8 4PZ 
STP-NW Cricklewood TSVC, Staples Corner, North Circular Road, Cricklewood, London NW2 ILY
STR-CO Stuart House, St Peters Street, Colchester, Essex COI IHU 
STR-KT Ashstead TE, 13 The Street, Ashstead, Surrey KT21 2AF 
STT-RH Merstham TE, Station Road North, Merstham, RedhilI Surrey RH1 3ED
STT-W4 Chiswick DQ, 14 Sutton Court Road, Chiswick, London W4 4NQ 
STW-SW Nine Elms TE, 180 Stewarts Road, Battersea, London SW8 4UQ 
SVH-IP St Vincent House, Cutler Street, Ipswich, Suffolk IP1 IUX 
SWN-NE Swan House, 157 Pilgrim Street, Newcastle-Upon-Tyne, Tyne and WearNEl IBA
SWN-UB West Drayton TE, Swan Road, West Drayton, Middlesex UB7 7BS 
TAV-KT Taverner House, 101 Birkenhead Avenue, Kingston-Upon-Thames, SurreyICI 2 6RP
TEC-S6 Birmingham TEC, 41 Essex Street, Birmingham, West Midlands B5 4TS
THM-DA Crayford Distribution Centre, Thames Road, Crayford, lient DAl 4QX
THO-CR Thornton Heath TE, 147 Brigstock Road, Thorton Heath, Surrey CR47XE
THP-PR Telephone House, 170-175 Moor Lane, Preston, Lancashire PRl I BA
TLC-HH Telecom House, 35 Holdenhurst Road, Bournemouth, Dorset BH8 8EI 
TLC-SN Telecom House, 125-135 Preston Road, Brighton, East Sussex BN1 6BG
TLC-GU Telecommunications House, Alexandra Road, Aldershot, Hampshire GUII 31A
TLC-M6 Telecom House, 91 London Road, Manchester, Greater Manchester M60IHQ
TLC-MK Telecom House, 25-27 St Johns Street, Bedford, Bedfordshire MK42OBA 
TLC-N8 Telecom House, 71 Crouch End Hill, Crouch End, London N8 8BA 
TLC-OX Telecom House, 16 Paradise Street, Oxford, Oxfordshire OX1 lBA 
TLC-RG Telecom House, 49 Friar Street, Reading, Berkshire RGl lBA 
TLC-WR Telecom House, Charles Street, Worcester ,Hereford & WorcesterWR12BE 
TLH-BR Telephone House, 25-27 Elmfield Road, Bromley, Kent BRl lLT 
TLP-BH Telephone House, 18 Christchurch Road, Bournemouth Dorset BHl 3BA
TLP-CH Telephone House, Tower Wharf Chester, Cheshire C Hl 1 BA 
TLP-CT Telephone House, Rheims Way, Canterbury, Kent CTl 3BA 
TLP-E7 Telephone House, 4-20 Woodgrange Road, Forest Gate, London E7 OBA
TLP-EC Telephone House, Temple Avenue, London EC4Y OHL 
TLP-EH Telephone House, 357 Gorgie Road, Edinburgh, Scotland. EHll 2RP 
TLP-IP Telephone House, 153 Princes Street, Ipswich, Suffolk IPl lQB 
TLP-LS Telephone House, 35 Lisbon Street, Leeds, West Yorkshire LS1 1BA
TLP-NR Telephone House, 41-45 St Giles Street, Norwich, Norfolk NR2 lBB
TLP-NW Telephone House, 1-15 Shoot-Up Hill Kilburn, London NW2 3BA 
TLP-PE Telephone House, Wentworth Street, Peterborough, Cambridgeshire PE11 BA
TLP-PO Telephooe House, 64-68 Elm Grove, Southsea, Hampshire P05 lBA 
TLP-Sl Telephooe House, Charter Row, Shefield, South Yorkshire S1 lBA 
TLP-SE Telephone House, 10-18, London Bridge Street, London SEI 9SH 
TLP-SO Telephone House, 70-75 High Street, Southampton, Hampshire SO9 lBB
TLP-SS Telephone House, 45 Victoria Avenue, Southend-on Sea, Essex SS26BA 
TLP-TN Telephone House, Church Road, Tunbridge Wells, Kent TN 11 BA 
TLS-SW Tulse Hill ATE, 64 New Park Road, London SW2 
TNT-EC Tenter House, 45 Moorfields, London EC2Y 9TH 
TSC-NE Hadrian Trunk Switching Centre, 5th Floor, Melhourne Street, Newcasde-Upon-Tyne,Tyne and Wear N El 2JQ
TUF-Nl Tufnell Park Complex, Unlt D, Bush Industriai Estate, Station Road,London N19 SUW
TWC -TW Isleworth TE, Twickenham Road, Isleworth, Middlesex TW7 6AS 
TWN-NW Primrose Hill TE, 41-43 Townsend Road, Primrose Hill London NW86LL 
UPH-N4 Upper Holloway TE, 15 Pine Grove, Lonon N3 3LL 
UPP-SW Mortlake TE, 166 Upper Richmond Road West, Mortlake, London SW148AW 
VXH-SE Vauxhall TE, 100 Kennington Park, Vauxhall London SE11 4EF 
WBL-HA North Wembley TE, Carlton Avenue East, Preston Road, Wembley, MlddlesexHA9 8LU
WDC-PO Waterlooville Data Centre, 1 Relay Road, Waterlooville, Hampshire P07 7AX
WDS-Ll Royal ATE, 100 Wood Street, LiverpooL Merseyslde Ll 4DA 
WEL-AL Welwyn Garden TE, Wigmores North, Welwyn Garden Clty, Hertfordshue AL8 6PH
WEL-CO Wellington House, 90-92 Butt Road, Colchester, Essex C03 3DQ 
WFD-WD Watford TE, 57-71 Exchange Road, Watford, Hertfordshire WD11 BB
WFT-IG Woodford TE, 4, Snakes Lane West, Woodford Green, Essex IG8 OBS 
WHT-SY Whittington House, Park Hall, Oswestry, Shropshire SY11 4TB 
WLD-BR Bromley TSVC, 39 Woldham Road, Bromley, Kent BRl 9LA 
WLD-SE Forest Hill TE, 3 Waldram Park Road, Forest Hill London SE23 2PP
WLH-WC Wellington House, 6-9 Upper St Martin's Lane, London WC2H 9DL 
WLL-KT Kingston TSVC, Willow Road, Kingston, New Malden, Surrey lT3 3RD
WLL-Nl West Green TSVC, Willow Walk, West Green Road, London N15 3DJ 
WLL-SL Slough ATE, 100 Wellington Street, Slough, Berkshire SLl lTR 
WLP-W5 Walpole House, 18-20 Bond Street, Ealing, London W5 SM 
WLS-El Walthamstow TE, 317 Hoe Str eet, London E17 9 B E 
WLT-KT Walton TE, New Zealand Avenue, Walton-on-Thames, Surrey KT2 lPR 
WLT-NG Walton House, 34 StJames Street, Nottingham, Nottinghamshire NGllBA
WNH-EC Williams National House, 11-13 Holhorn Viaduct, London EClA 2AT 
WNT-RM Dagenham TSVC, Wantz Road,, Dagenham, Essex RM10 3PS 
WOL-SE Woolwich TE, 28 Spray Street, London SE18 6AL 
WOR-KT Worcester Park TE, Rear of Post Otice, Green Land, Worcester Park,Surrey KT4 8AB
WRC-W1 West Kensington TE/TSVC/MTW, 213-215 Warwick Road, West Kensington,London W148BQ
WRP-SW Telecom House, 21-33 Worple Road, Wimbledon, London SWl9 4BA 
WRR-SW Wandsworth TSVC, 65 Weir Road, Wimbledon, London SWI9 8UG 
WRW-Wl Warwick House, 8-13 Great Poultney Street, London Wl R 3DG 
WST-BH West Howe TEC, 891 Ringwood Road, West Howe, Bournemouth, DorsetBHll 8LS
WST-G2 Westergate, 11 Hope Street, Glasgow, Scotland. G2 6AB 
WST-SL Maidenhead ATE, West Street, Maidenhead, Berkshire SL6 I RG 
WST-SW Westminster TE, la Broadway, London SWlH OAY 
WST-W5 Westel House, 32-38 Uxbridge Road, London W5 2BA 
WTH-BN Withdean Grange, London Road, Brighton, East Sussex BNl 6YQ 
WTH-WC Weston House, 246 High Holborn, London WClV 7DQ 
WVR-W1 Waverley House, 7-12 Noel Street, London WlV 3PB 
WXB-NW Harlesden TSVC, Waxlow Road, Harlesden, London NW10 7NU 
WYB-KT Weybridge TE, Heath Road, Weybridge, Surrey KT13 8TA