de@cs.rit.edu (Dave Esan) (12/05/90)
It is time for my quarterly posting of the total number of exchanges
in each NPA. It will give you some idea of why NPA's are getting
split, and which NPA's are likely to be split soon. The count is
based on the BellCore V&H tape of 10/15/90, and does not include
Mexican codes (52x) or other place codes (88x). I have include as
known or potential NPAs.
The top ten are:
213: 709 212: 653 919: 611
214: 705 404: 642 416: 609
201: 682 415: 629 512: 608
301: 679
Of these:
213 is scheduled for a split (to 310).
214 has split but still has permissive dialling of calls to 903. Its count
should drop substantially when this ends.
201 has split but still has permissive dialling of calls to 908. Its count
should drop substantially when this ends.
301 is scheduled for a split (to 410).
212 is scheduled for a split (to 417).
404 is, to the best of my knowledge, not scheduled for a split.
415 is scheduled for a split (to 510).
919, 416, and 512 are not scheduled for a split at this time.
Interestingly, 714 is number 18 on this list. While its growth may
be more explosive than save 215 (#14), I can't imagine that it is more
that much faster than 416 in Toronto, 404 in Georgia, or 919 in North
Carolina. Perhaps being a right coast person has me prejudiced.
The entire list is as follows:
213: 709 405: 525 816: 436 204: 341 908: 301 309: 253 906: 109
214: 705 713: 515 913: 428 818: 339 819: 301 709: 252 302: 106
201: 682 615: 511 412: 412 219: 338 505: 294 806: 251 807: 105
301: 679 314: 505 317: 404 519: 336 905: 293 315: 251 917: 0
212: 653 503: 500 312: 399 502: 332 915: 290 808: 248
404: 642 612: 499 402: 398 406: 331 815: 282 518: 242 910: 0
415: 629 303: 486 907: 396 207: 330 408: 282 608: 236 909: 0
919: 611 809: 481 916: 395 605: 328 702: 278 509: 229
416: 609 803: 480 515: 395 419: 326 218: 275 603: 227 810: 0
512: 608 708: 480 614: 388 318: 325 409: 273 901: 216
313: 605 813: 476 601: 385 704: 324 208: 269 417: 192 710: 0
205: 604 904: 470 718: 382 914: 321 613: 267 308: 191
403: 585 817: 470 407: 364 319: 321 812: 266 802: 174 610: 0
215: 580 619: 468 617: 362 304: 321 712: 265 707: 171
602: 579 203: 467 616: 362 618: 316 805: 263 506: 171 510: 0
202: 576 514: 466 508: 359 504: 316 609: 261 706: 169
501: 559 717: 464 418: 356 801: 315 705: 260 607: 159 410: 0
714: 551 804: 455 716: 354 209: 314 606: 259 719: 153
206: 542 305: 443 516: 354 912: 312 903: 258 307: 146 310: 0
604: 540 414: 442 316: 353 517: 311 902: 257 413: 129
216: 532 306: 441 217: 344 715: 306 814: 254 401: 128 210: 0
703: 531 513: 438 701: 343 918: 302 507: 253
David Esan de@moscom.comcmoore@brl.mil (VLD/VMB) (12/06/90)
Dave Esan <moscom!de@cs.rit.edu> or <de@moscom.com> writes: >212 is scheduled for a split (to 417). No, you mean area 917 instead of 417. 417 is in Missouri. [Moderator's Note: Yes, that is what he meant, and the fault is mine for not catching it when proof-reading that issue as carefully as usual before releasing it. PAT]