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Subject: April 1995 NPA/NXX report
Date: Fri May 19 11:11:17 1995
This is my quarterly report on the number of exchanges in each NPA in
the NANP. It is derived from information in FCC #10. This is article
#16 in the series.
FCC #10 is a tariff issued by BellCore that contains all the area
codes, exchange combinations in the North American Numbering Plan
(NANP). It also contains lata information and V&H coordinate
information. There is a lot of additional information that I don't
use, so I won't add here. It is available through a number of
sources. The one closest to the FCC is ITS, which can be contacted at
202-857-3800. My company compiles this information for use in its
products and does not seem to be interested in selling this
information. Queries are still flowing through the bureaucracy.
I have used pages that are effective prior to April 20, 1995. I am
not responsible for the information supplied in FCC #10.
I have not included the following in my counts of exchanges:
- NXX's that are not dialable by a standard user (ie nxx's that begin
with a 1 or 0).
- Mexican exchanges in the 52[1-9] series of area codes. I've got them,
you can dial them with 011, but they're not really NPAs.
- Exchanges that are non-dialable in the 88? series of area codes. I've
got those also, but you can't dial them, so I'm not including them.
Numbers that begin with 88 are nondialable stations in the US, Canada and
Mexico. They are ranches in the middle of the Nevada or Texas desert,
or isolated outpost of civilization (always wanted to use that phrase) in
the tundra of Canada. I find place names like the Bar J Ranch, Double B
Ranch, and JD Dye, Texas, Amargosa, Corncreek and Reese Valley, NV, and
Chick Lake, Redknife and Taglu, NT. I gather they are ringdown stations,
or radio-telephone stations. [It has been noted in c.d.t. that at least
two of these numbers are for a bordello on the NV-CA border.]
The fields are:
------------ rank last in January, 1995
213: 736 (1, 7)
area code --^^^ ^^^ ^------- number of new exchanges
|-------------- total number of exchanges
206: 778 ( 1, 3) 703: 699 ( 7, 20) 404: 681 (11, 13) 212: 657 (16, 4)
602: 775 ( 3, 22) 813: 690 ( 8, 17) 503: 678 (12, 12) 314: 653 (18, 14)
205: 769 ( 2, 5) 803: 685 (10, 16) 303: 676 ( 9, 5) 604: 652 (20, 29)
708: 753 ( 5, 23) 305: 685 (15, 32) 615: 674 (13, 14) 203: 642 (19, 12)
713: 727 ( 6, 8) 216: 685 (14, 28) 214: 669 (17, 16) 403: 638 (21, 16)
1. 206 - split is in progress. Number should be reduced by split.
2. 602 - split is in progress. Number should be reduced by split.
3. 205 - split is in progress. Number should be reduced by split.
4. 708 - split is planned. Number should be reduced by split.
5. 713 - split is in progress. Number should be reduced by split.
6. 703 - split is planned. Number should be reduced by split.
7. 813 - split is in progress. Number should be reduced by split.
8. 803 - split is planned. Number should be reduced by split.
9. 305 - split is planned. Number should be reduced by split.
10. 216 - split is planned. Number should be reduced by split.
11. 404 - split is planned. Number should be reduced by split.
12. 503 - split is planned. Number should be reduced by split.
13. 303 - split is in progress. Number should be reduced by split.
14. 615 - split is planned. Number should be reduced by split.
15. 214 - split is planned. Number should be reduced by split.
17. 314 - split is planned. Number should be reduced by split.
18. 604 - split is planned. Number should be reduced by split.
19. 203 - split is planned. Number should be reduced by split.
-> The NPA that is largest and is not splitting nor has plans, at this time,
to split, is 212.
-> The 6 smallest NPA's are:
413: 143 - Western Massachusetts (+6 exchange)
906: 117 - Michigan's Upper Peninsula (no change)
807: 109 - Western Ontario (+1 exchange)
413: 148 - Western Massachusetts (+5 exchange)
302: 148 - Delaware (+2 exchanges)
906: 117 - Michigan's Upper Peninsula (no change)
807: 109 - Western Ontario (no change)
630: 29 - Remnants of 708 proposed split
281: 23 - Beginning of 713 overlay
-> The NPAs with the greatest growth rates are:
NPA % growth
905 7.50
613 6.75
519 6.64
917 5.46
909 5.08
305 4.90
312 4.72
604 4.65
301 4.57
508 4.46
-> The 10 NPAs with the least growth rates are:
NPA % growth
507 .35
360 .34
306 .21
906 0
807 0
607 0
520 0
281 0
416 -3.16 (deletion of 905 nxxs)
215 -40.81 (deletion of 610 nxxs)
-> There are 78 NPAs (52% of the total, and increase of 4%) that have
exchanges that are in the x00 to x19 range. They are:
201 216 360 510 615 714 903
202 281 403 512 616 718 904
203 301 404 513 618 803 905
204 303 407 517 619 805 908
205 305 408 519 630 808 909
206 306 409 520 703 810 910
209 310 410 602 704 813 916
210 312 415 604 706 815 917
212 313 416 609 707 816 919
213 314 503 610 708 817 941
214 317 506 612 713 818 970
215 334
-> Just for grins:
The most used NXX (not counting 555) is 754 used in 123 npas.
The least used are:
311 used only in 212, and 959 used only in 808.
I should note here that these are exchanges that are truly in use, not for
special calling, but in general day to day use.
All the NPAs and the number of nxx's in each are listed below:
201: 515 304: 358 406: 396 510: 404 613: 332 716: 448 819: 321
202: 312 305: 685 407: 514 512: 394 614: 484 717: 551 901: 280
203: 642 306: 459 408: 406 513: 524 615: 674 718: 514 902: 285
204: 362 307: 196 409: 340 514: 526 616: 428 719: 213 903: 303
205: 769 308: 220 410: 502 515: 464 617: 521 801: 423 904: 627
206: 778 309: 277 412: 487 516: 473 618: 368 802: 186 905: 358
207: 367 310: 612 413: 148 517: 364 619: 592 803: 685 906: 117
208: 339 312: 620 414: 545 518: 294 630: 29 804: 573 907: 423
209: 437 313: 425 415: 473 519: 401 701: 387 805: 377 908: 417
210: 509 314: 653 416: 428 520: 364 702: 355 806: 271 909: 351
212: 657 315: 289 417: 233 601: 476 703: 699 807: 109 910: 447
213: 419 316: 404 418: 373 602: 775 704: 434 808: 313 912: 392
214: 669 317: 536 419: 367 603: 263 705: 294 809: 576 913: 477
215: 435 318: 395 501: 605 604: 652 706: 267 810: 431 914: 414
216: 685 319: 361 502: 406 605: 379 707: 220 812: 303 915: 339
217: 397 334: 310 503: 678 606: 306 708: 753 813: 690 916: 515
218: 312 360: 291 504: 429 607: 183 709: 269 814: 286 917: 270
219: 419 401: 166 505: 367 608: 270 712: 297 815: 346 918: 332
281: 23 402: 458 506: 196 609: 348 713: 727 816: 547 919: 400
301: 434 403: 638 507: 284 610: 315 714: 469 817: 581 941: 300
302: 148 404: 681 508: 491 612: 631 715: 328 818: 511 970: 244
303: 676 405: 570 509: 281
--> David Esan de@moscom.com