All assignees
703 prefixes in 661 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 661-200 | SNCA NHCS | 9740 | 2007-11-28 | Yes |
| 661-201 | BKFD MAIN | 6529 | — | Yes |
| 661-202 | PLDL PLDL | 7718 | — | Yes |
| 661-203 | BKFD MAIN | 6006 | — | — |
| 661-204 | BKFD MAIN | 6010 | — | — |
| 661-205 | BKFD MAIN | 6010 | — | — |
| 661-206 | LANCASTER | 829J | — | Yes |
| 661-207 | SNCA NHCS | 9262 | — | Yes |
| 661-208 | PLDL PLDL | 6006 | 2007-01-17 | Yes |
| 661-209 | PLDL AGDL | 899D | 2002-02-11 | Yes |
| 661-210 | SNCA NHCS | 6010 | — | Yes |
| 661-211 | XXXXXXXXXX | MULT | — | — |
| 661-212 | SNCA SGCC | 899D | 2002-02-11 | Yes |
| 661-213 | BKFD NORTH | 5562 | 2002-02-11 | Yes |
| 661-214 | LOST HILLS | 8826 | — | Yes |
| 661-215 | BKFD NORTH | 649C | — | Yes |
| 661-216 | LANCASTER | 6906 | — | — |
| 661-217 | BUTTONWLLW | 6906 | — | — |
| 661-218 | BKFD NORTH | 045L | 2017-07-19 | Yes |
| 661-219 | SNCA NHCS | 7240 | — | Yes |
| 661-220 | ARVIN | 6529 | 2002-01-16 | Yes |
| 661-221 | MOJAVE | 6529 | 2002-01-16 | Yes |
| 661-222 | SNCA NHCS | 9740 | — | Yes |
| 661-223 | PLDL PLDL | 9740 | — | — |
| 661-224 | PLDL PLDL | 9740 | — | — |
| 661-225 | PLDL PLDL | 9740 | — | Yes |
| 661-226 | ARVIN | 6906 | — | — |
| 661-227 | PLDL PLDL | 899D | 2016-10-10 | Yes |
| 661-228 | HI VISTA | 649C | — | Yes |
| 661-229 | DELANO | 6010 | — | Yes |
| 661-230 | EDWARDS | 981E | — | Yes |
| 661-231 | LEBEC | 981E | — | Yes |
| 661-232 | MOJAVE | 6529 | — | Yes |
| 661-233 | PLDL PLDL | 9740 | — | Yes |
| 661-234 | PLDL PLDL | 6529 | — | Yes |
| 661-235 | ROSAMOND | 981E | — | Yes |
| 661-236 | PLDL PLDL | 9740 | — | Yes |
| 661-237 | SHAFTER | 981E | — | Yes |
| 661-238 | TEHACHAPI | 981E | — | Yes |
| 661-239 | WALKERBSIN | 981E | — | Yes |
| 661-240 | WASCO | 515J | — | Yes |
| 661-241 | BKFD SOUTH | 981E | — | Yes |
| 661-242 | LEBEC | 9740 | — | Yes |
| 661-243 | BKFD NORTH | 981E | — | Yes |
| 661-244 | SNCA NHCS | 649C | — | Yes |
| 661-245 | LEBEC | 9740 | — | Yes |
| 661-246 | BKFD MAIN | 6010 | — | Yes |
| 661-247 | ARVIN | 6529 | — | Yes |
| 661-248 | LEBEC | 9740 | — | Yes |
| 661-249 | BIG BUTTE | 981E | — | Yes |
| 661-250 | SNCA SGCC | 9740 | — | Yes |
| 661-251 | SNCA SGCC | 9740 | — | — |
| 661-252 | SNCA SGCC | 9740 | — | — |
| 661-253 | SNCA NHCS | 9740 | — | — |
| 661-254 | SNCA NHCS | 9740 | — | — |
| 661-255 | SNCA NHCS | 9740 | — | — |
| 661-256 | ROSAMOND | 9740 | — | — |
| 661-257 | SNCA NHCS | 9740 | — | — |
| 661-258 | EDWARDS | 9740 | — | Yes |
| 661-259 | SNCA NHCS | 9740 | — | — |
| 661-260 | SNCA NHCS | 9740 | — | — |
| 661-261 | BIG BUTTE | 9740 | — | Yes |
| 661-262 | LAKEHUGHES | 515J | — | Yes |
| 661-263 | SNCA SGCC | 9740 | — | Yes |
| 661-264 | PLDL PLDL | 9740 | — | Yes |
| 661-265 | PLDL PLDL | 9740 | — | Yes |
| 661-266 | PLDL PLDL | 9740 | — | — |
| 661-267 | PLDL PLDL | 9740 | — | — |
| 661-268 | PLDL AGDL | 9740 | — | Yes |
| 661-269 | PLDL PLDL | 9740 | — | Yes |
| 661-270 | PLDL LNVY | 9740 | — | Yes |
| 661-271 | MOJAVE | 7718 | — | Yes |
| 661-272 | PLDL PLDL | 9740 | — | — |
| 661-273 | PLDL PLDL | 9740 | — | — |
| 661-274 | PLDL PLDL | 9740 | — | — |
| 661-275 | EDWARDS | 9740 | — | — |
| 661-276 | EDWARDS | 9740 | — | Yes |
| 661-277 | EDWARDS | 9740 | — | — |
| 661-278 | EDWARDS | 7718 | — | Yes |
| 661-279 | ROSAMOND | 7718 | — | Yes |
| 661-280 | PLDL LNVY | 9262 | — | — |
| 661-281 | BKFD MAIN | 7128 | — | Yes |
| 661-282 | BKFD SOUTH | 7128 | — | Yes |
| 661-283 | BKFD MAIN | 7229 | — | Yes |
| 661-284 | SNCA NHCS | 9740 | — | — |
| 661-285 | PLDL PLDL | 9740 | — | — |
| 661-286 | SNCA NHCS | 9740 | — | Yes |
| 661-287 | SNCA NHCS | 9740 | — | — |
| 661-288 | SNCA NHCS | 9740 | — | — |
| 661-289 | LEBEC | 6010 | — | Yes |
| 661-290 | SNCA NHCS | 9740 | — | — |
| 661-291 | SNCA NHCS | 9740 | — | — |
| 661-292 | SHAFTER | 6529 | 2002-01-16 | Yes |
| 661-293 | TAFT | 6529 | 2002-01-16 | Yes |
| 661-294 | SNCA NHCS | 9740 | — | — |
| 661-295 | SNCA NHCS | 9740 | — | — |
| 661-296 | SNCA SGCC | 9740 | — | — |
| 661-297 | SNCA SGCC | 9740 | — | — |
| 661-298 | SNCA SGCC | 9740 | — | Yes |
| 661-299 | SNCA SGCC | 9740 | — | Yes |
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.