home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!news.acns.nwu.edu!telecom-request
- Date: 4 Jan 93 20:26:34 GMT
- From: de@moscom.com (David Esan)
- Newsgroups: comp.dcom.telecom
- Subject: V&H Report January 1993
- Message-ID: <telecom13.8.1@eecs.nwu.edu>
- Organization: Moscom Corporation, Pittsford NY
- Sender: Telecom@eecs.nwu.edu
- Approved: Telecom@eecs.nwu.edu
- X-Submissions-To: telecom@eecs.nwu.edu
- X-Administrivia-To: telecom-request@eecs.nwu.edu
- X-Telecom-Digest: Volume 13, Issue 8, Message 1 of 11
- Lines: 114
-
- Once a quarter I receive the BellCore V&H tape. Using this
- information I can total the number of exchanges in each area code.
- The twenty most populous area codes are listed below. After the
- written text of this article I have included the count for each of the
- area codes, one sorted by NPA, the other sorted (in reverse) of the
- number of exchanges in a given NPA.
-
- The tape is dated 15 January 1993. I am not responsible for the
- information supplied in this tape. Yes, the date is several weeks
- out. The information will be current as of that date. It is
- distributed early so that it can loaded by that date.
-
- 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? 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.
-
- This tape includes information for the new NPA's 909 and 210. 905 in
- Toronto, and 810 in Detroit have not appeared yet.
-
- The fields are:
- ------------ rank last in October, 1992
- 213: 736 (1, 7)
- area code --^^^ ^^^ ^------- number of new exchanges
- |-------------- total number of exchanges
-
- 301: 751 ( 1, 7) 416: 678 ( 6, 4) 206: 642 (11, 7) 604: 582 (20, 13)
- 512: 703 ( 3, 2) 919: 672 ( 8, 12) 708: 634 (14, 25) 216: 579 (19, 8)
- 212: 700 ( 4, 3) 215: 660 (10, 11) 713: 627 (13, 10) 503: 574 (18, 3)
- 313: 680 ( 7, 12) 714: 656 ( 9, 2) 703: 610 (16, 7) 803: 564 (11, xx)
- 205: 680 ( 5, 4) 602: 644 (12, 9) 403: 605 (15, 1) 303: 563 (11, xx)
-
- Of the top 20 we know:
-
- 1. 301 - split in progress. Number should be reduced by split.
- 2. 512 - split in progress. Number should be reduced by split.
- 3. 212 - split in progress. Number should be reduced by split, and the
- movement of the Bronx to 718.
- 4. 313 - split in progress. Number should be reduced by split.
- 6. 416 - split soon to be in progress. Number should be reduced by split.
- 9. 714 - split in progress. Number should be reduced by split.
-
- Given all of that, the NPA that is largest and is not splitting nor
- has plans (at this time) to split, is 205 in Alabama. Other NPAs that
- are candidates for a split include eastern North Carolina (714),
- Philadelphia (215), and 602 (Arizona).
-
- The 3 smallest NPA's were and remain :
-
- 906: 117 - Michigan's Upper Peninsula (+1 new exchange)
- 807: 105 - Western Ontario (No change)
- 917: 104 - The new NYC NPA (+40 new exchanges)
-
-
- A new statistic that I have added to this report is percentage growth. I have
- taken the difference between the number of exchanges in January and October,
- and divided by the number in January and multiplied by 100. In math notation
- that would be:
-
- ((October # - January #)/January #)*100
-
- The top ten are:
-
- 917 62.50 (Growth of new NYC NPA)
- 210 6.47 (Growth of new Texas NPA)
- 909 5.03 (Growth of new California NPA)
- 305 4.37 (Western Florida, rapid growth area)
- 708 4.10 (Chicago Suburbs, rapid growth)
- 704 3.42 (Western North Carolina)
- 312 3.41 (Chicago City)
- 702 3.16 (Nevada)
- 310 3.05 (Growth of new Los Angeles NPA)
- 809 2.97 (Growth of the Caribbean)
-
- The only NPAs to be in last reports top ten and this reports top ten are:
- 310, 708
-
- All the NPAs and the number of nxx's in each are listed below:
-
- 301: 751 501: 553 201: 442 502: 365 715: 321 814: 268
- 512: 703 314: 547 412: 441 914: 362 819: 314 315: 266
- 212: 700 404: 543 614: 432 704: 362 815: 313 806: 264
- 313: 680 813: 537 515: 431 406: 361 915: 312 309: 263
- 205: 680 405: 534 407: 420 701: 357 805: 300 709: 261
- 416: 678 904: 532 402: 418 801: 356 208: 299 608: 254
- 919: 672 619: 531 601: 417 605: 356 613: 298 509: 251
- 215: 660 305: 525 415: 414 519: 355 609: 298 603: 243
- 714: 656 817: 523 410: 414 504: 354 918: 296 901: 232
- 602: 644 203: 515 818: 411 204: 352 218: 296 308: 210
- 206: 642 804: 505 210: 411 207: 348 409: 295 417: 206
- 708: 634 514: 497 617: 408 912: 347 706: 294 707: 197
- 713: 627 718: 495 907: 401 908: 347 812: 286 802: 181
- 703: 610 414: 494 616: 400 510: 346 712: 286 506: 179
- 403: 605 717: 493 716: 398 419: 344 202: 284 607: 176
- 604: 582 312: 485 516: 394 304: 344 903: 282 719: 174
- 216: 579 513: 474 508: 389 318: 343 606: 275 307: 169
- 503: 574 310: 473 316: 376 319: 339 808: 274 401: 139
- 803: 564 816: 469 219: 373 517: 338 507: 273 413: 133
- 303: 563 317: 460 213: 373 618: 335 705: 272 302: 127
- 612: 561 306: 453 217: 370 408: 334 909: 271 906: 117
- 615: 560 916: 450 418: 367 505: 329 902: 271 807: 105
- 214: 554 913: 445 209: 367 702: 326 518: 270 917: 104
- 809: 553
-
-
- David Esan de@moscom.com
-
-