All assignees
703 prefixes in 661 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 661-300 | TEHACHAPI | 6529 | 2002-01-16 | Yes |
| 661-301 | BKFD MAIN | 6010 | — | — |
| 661-302 | BKFD MAIN | 8826 | 2005-06-03 | Yes |
| 661-303 | BKFD MAIN | 6010 | — | — |
| 661-304 | BKFD MAIN | 6010 | — | — |
| 661-305 | PLDL PLDL | 6006 | — | — |
| 661-306 | LAKEHUGHES | 8826 | — | Yes |
| 661-307 | BKFD MAIN | 9748 | — | — |
| 661-308 | BKFD MAIN | 425J | 2020-02-13 | Yes |
| 661-309 | SNCA SGCC | 7240 | — | Yes |
| 661-310 | SNCA NHCS | 8826 | — | Yes |
| 661-311 | XXXXXXXXXX | MULT | — | — |
| 661-312 | SNCA NHCS | 899D | — | Yes |
| 661-313 | SNCA SGCC | 899D | — | Yes |
| 661-314 | BKFD MAIN | 6529 | 2016-11-14 | Yes |
| 661-315 | PLDL PLDL | 6010 | 2020-02-18 | Yes |
| 661-316 | BKFD MAIN | 7128 | — | Yes |
| 661-317 | PLDL PLDL | 6529 | 2001-12-14 | — |
| 661-318 | BKFD MAIN | 6967 | — | — |
| 661-319 | BKFD MAIN | 6010 | — | — |
| 661-320 | LEBEC | 8826 | — | Yes |
| 661-321 | BKFD MAIN | 9740 | — | Yes |
| 661-322 | BKFD MAIN | 9740 | — | — |
| 661-323 | BKFD MAIN | 9740 | — | — |
| 661-324 | BKFD MAIN | 9740 | — | — |
| 661-325 | BKFD MAIN | 9740 | — | — |
| 661-326 | BKFD MAIN | 9740 | — | — |
| 661-327 | BKFD MAIN | 9740 | — | — |
| 661-328 | BKFD MAIN | 9740 | — | — |
| 661-329 | BKFD MAIN | 6630 | — | — |
| 661-330 | BKFD MAIN | 6010 | — | — |
| 661-331 | BKFD MAIN | 6010 | — | — |
| 661-332 | BKFD MAIN | 6010 | — | — |
| 661-333 | BKFD MAIN | 6010 | — | — |
| 661-334 | BKFD MAIN | 9740 | — | Yes |
| 661-335 | BKFD MAIN | 9740 | — | Yes |
| 661-336 | BKFD MAIN | 9740 | — | Yes |
| 661-337 | BKFD MAIN | 9740 | — | Yes |
| 661-338 | LAKEHUGHES | 8826 | — | Yes |
| 661-339 | HI VISTA | 8826 | — | Yes |
| 661-340 | BKFD MAIN | 6010 | 2002-02-15 | Yes |
| 661-341 | LANCASTER | 7421 | — | Yes |
| 661-342 | BKFD MAIN | 6006 | — | — |
| 661-343 | BKFD MAIN | 5562 | 2001-05-21 | Yes |
| 661-344 | EARLIMART | 5562 | — | Yes |
| 661-345 | BKFD MAIN | 6010 | — | — |
| 661-346 | BKFD MAIN | 5562 | 2007-04-12 | Yes |
| 661-347 | SNCA SGCC | 8826 | 2002-02-20 | Yes |
| 661-348 | BKFD MAIN | 045L | 2007-05-07 | Yes |
| 661-349 | PLDL PLDL | 8826 | 2002-02-20 | Yes |
| 661-350 | PLDL PLDL | 6010 | 2003-01-09 | Yes |
| 661-351 | LAKEHUGHES | 9262 | — | Yes |
| 661-352 | EDWARDS | 9262 | — | Yes |
| 661-353 | LANCASTER | 9262 | — | Yes |
| 661-354 | BKFD MAIN | 9262 | — | Yes |
| 661-355 | ROSAMOND | 9262 | — | Yes |
| 661-356 | MOJAVE | 9262 | — | Yes |
| 661-357 | TEHACHAPI | 9262 | — | Yes |
| 661-358 | TAFT | 9262 | — | Yes |
| 661-359 | DELANO | 9262 | — | Yes |
| 661-360 | SNCA SGCC | 6010 | 2003-01-13 | Yes |
| 661-361 | PLDL PLDL | 829J | — | Yes |
| 661-362 | SNCA NHCS | 829J | — | Yes |
| 661-363 | BKFD MAIN | 9740 | — | Yes |
| 661-364 | BKFD MAIN | 9740 | — | Yes |
| 661-365 | PLDL PLDL | 6529 | 2016-05-24 | Yes |
| 661-366 | BKFD MAIN | 9740 | — | — |
| 661-367 | SNCA SGCC | 829J | — | Yes |
| 661-368 | BKFD NORTH | 7139 | 2007-06-11 | Yes |
| 661-369 | BKFD MAIN | 6006 | 2007-09-15 | Yes |
| 661-370 | DELANO | 8826 | — | Yes |
| 661-371 | BKFD MAIN | 649C | — | Yes |
| 661-372 | DELANO | 981E | 2014-04-07 | Yes |
| 661-373 | SNCA NHCS | 6529 | 2001-12-14 | — |
| 661-374 | BKFD MAIN | 649C | 2007-12-21 | Yes |
| 661-375 | DELANO | 6006 | — | Yes |
| 661-376 | BKFD MAIN | 981E | 2008-04-02 | Yes |
| 661-377 | BKFD MAIN | 671J | 2002-10-11 | Yes |
| 661-378 | BKFD MAIN | 649C | — | Yes |
| 661-379 | BKFD MAIN | 981E | 2009-04-28 | Yes |
| 661-380 | BKFD MAIN | 973E | 2009-04-28 | Yes |
| 661-381 | BKFD SOUTH | 671J | 2009-05-21 | Yes |
| 661-382 | PLDL PLDL | 981E | 2001-09-23 | Yes |
| 661-383 | SNCA NHCS | 9740 | 2015-02-17 | Yes |
| 661-384 | BKFD MAIN | 649C | — | Yes |
| 661-385 | EDWARDS | 7139 | 2010-03-12 | Yes |
| 661-386 | ROSAMOND | 792K | 2016-09-26 | Yes |
| 661-387 | BKFD NORTH | 9740 | — | Yes |
| 661-388 | SNCA NHCS | 793K | 2010-08-16 | Yes |
| 661-389 | PLDL PLDL | 6010 | 2024-02-20 | Yes |
| 661-390 | ARVIN | 671J | 2006-12-14 | Yes |
| 661-391 | BKFD NORTH | 9740 | — | — |
| 661-392 | BKFD NORTH | 9740 | — | — |
| 661-393 | BKFD NORTH | 9740 | — | — |
| 661-394 | BKFD MAIN | 9740 | — | Yes |
| 661-395 | BKFD MAIN | 9740 | — | — |
| 661-396 | BKFD SOUTH | 9740 | — | Yes |
| 661-397 | BKFD SOUTH | 9740 | — | — |
| 661-398 | BKFD SOUTH | 9740 | — | — |
| 661-399 | BKFD NORTH | 9740 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.