All assignees
655 prefixes in 925 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 925-200 | PLEASANTON | 6006 | — | — |
| 925-201 | PLEASANTON | 671J | — | Yes |
| 925-202 | PLEASANTON | 6529 | — | Yes |
| 925-203 | PITTSBURG | 6010 | 2002-02-22 | Yes |
| 925-204 | ANTIOCH | 6529 | 2015-09-22 | Yes |
| 925-205 | DANVILLE | 6529 | 2023-08-16 | Yes |
| 925-206 | ANTIOCH | 6006 | 2007-08-29 | Yes |
| 925-207 | CONCORD | 5562 | 2001-10-18 | Yes |
| 925-208 | DANVILLE | 7145 | — | Yes |
| 925-209 | PLEASANTON | 6529 | — | Yes |
| 925-210 | WALNUT CRK | 9740 | — | — |
| 925-211 | XXXXXXXXXX | MULT | — | — |
| 925-212 | WALNUT CRK | 6010 | — | — |
| 925-213 | WALNUT CRK | 6630 | — | — |
| 925-214 | WALNUT CRK | 373F | 2016-09-10 | Yes |
| 925-215 | LIVERMORE | 8826 | — | Yes |
| 925-216 | DUBLN-SNRM | 6010 | — | — |
| 925-217 | DANVILLE | 8826 | — | Yes |
| 925-218 | PLEASANTON | 8826 | — | Yes |
| 925-219 | ANTIOCH | 8826 | — | Yes |
| 925-220 | PITTSBURG | 6006 | 2023-10-02 | Yes |
| 925-221 | WALNUT CRK | 6967 | — | — |
| 925-222 | CONCORD | 649C | — | Yes |
| 925-223 | PLEASANTON | 7229 | — | Yes |
| 925-224 | PLEASANTON | 9740 | — | — |
| 925-225 | PLEASANTON | 9740 | — | — |
| 925-226 | PLEASANTON | 7229 | — | Yes |
| 925-227 | PLEASANTON | 9740 | — | — |
| 925-228 | MARTINEZ | 9740 | — | — |
| 925-229 | MARTINEZ | 9740 | — | — |
| 925-230 | DUBLN-SNRM | 8826 | — | Yes |
| 925-231 | MARTINEZ | 8826 | — | Yes |
| 925-232 | PSBG WEST | 8826 | — | Yes |
| 925-233 | SUNOL | 8826 | — | Yes |
| 925-234 | ANTIOCH | 8826 | — | Yes |
| 925-235 | MORAGA | 8826 | — | Yes |
| 925-236 | DUBLN-SNRM | 8826 | — | Yes |
| 925-237 | ANTIOCH | 7229 | — | Yes |
| 925-238 | ANTIOCH | 394L | 2008-10-31 | Yes |
| 925-239 | WALNUT CRK | 373F | 2013-03-25 | Yes |
| 925-240 | ECONTRCOST | 9740 | — | Yes |
| 925-241 | DUBLN-SNRM | 7229 | — | Yes |
| 925-242 | BSHP RNCH | 9740 | — | Yes |
| 925-243 | LIVERMORE | 9740 | — | Yes |
| 925-244 | BSHP RNCH | 9740 | — | — |
| 925-245 | LIVERMORE | 9740 | — | — |
| 925-246 | CONCORD | 9740 | — | Yes |
| 925-247 | MORAGA | 9740 | — | Yes |
| 925-248 | DUBLN-SNRM | 9740 | — | Yes |
| 925-249 | PLEASANTON | 9740 | — | Yes |
| 925-250 | CONCORD | 5562 | — | Yes |
| 925-251 | PLEASANTON | 9740 | — | — |
| 925-252 | PITTSBURG | 9740 | — | Yes |
| 925-253 | ORINDA | 9740 | — | — |
| 925-254 | ORINDA | 9740 | — | — |
| 925-255 | ORINDA | 7240 | — | Yes |
| 925-256 | WALNUT CRK | 9740 | — | — |
| 925-257 | ORINDA | 7229 | — | Yes |
| 925-258 | ORINDA | 9740 | — | Yes |
| 925-259 | ORINDA | 7229 | — | Yes |
| 925-260 | WALNUT CRK | 5562 | — | Yes |
| 925-261 | PSBG WEST | 9740 | — | Yes |
| 925-262 | WALNUT CRK | 8826 | — | Yes |
| 925-263 | DANVILLE | 8826 | — | Yes |
| 925-264 | PLEASANTON | 8826 | — | Yes |
| 925-265 | CONCORD | 8826 | — | Yes |
| 925-266 | WALNUT CRK | 6006 | 2016-05-02 | Yes |
| 925-267 | PITTSBURG | 7229 | — | Yes |
| 925-268 | MORAGA | 7229 | — | Yes |
| 925-269 | MARTINEZ | 7229 | — | Yes |
| 925-270 | CONCORD | 8826 | — | Yes |
| 925-271 | PLEASANTON | 7145 | — | Yes |
| 925-272 | DANVILLE | 8826 | — | Yes |
| 925-273 | LIVERMORE | 7229 | — | Yes |
| 925-274 | WALNUT CRK | 9740 | — | — |
| 925-275 | BSHP RNCH | 9740 | — | Yes |
| 925-276 | CLAYTON | 7229 | — | Yes |
| 925-277 | BSHP RNCH | 9740 | — | — |
| 925-278 | WALNUT CRK | 394L | 2013-10-24 | Yes |
| 925-279 | WALNUT CRK | 9740 | — | — |
| 925-280 | WALNUT CRK | 9740 | — | — |
| 925-281 | ANTIOCH | 649C | — | — |
| 925-282 | LAFAYETTE | 7229 | — | Yes |
| 925-283 | LAFAYETTE | 9740 | — | — |
| 925-284 | LAFAYETTE | 9740 | — | — |
| 925-285 | WALNUT CRK | 6010 | — | — |
| 925-286 | WALNUT CRK | 6010 | — | — |
| 925-287 | WALNUT CRK | 9740 | — | — |
| 925-288 | CONCORD | 9740 | — | — |
| 925-289 | WALNUT CRK | 649C | 2009-02-23 | Yes |
| 925-290 | LIVERMORE | 7262 | — | Yes |
| 925-291 | PSBG WEST | 7229 | — | Yes |
| 925-292 | LIVERMORE | 394L | — | Yes |
| 925-293 | MARTINEZ | 7379 | — | Yes |
| 925-294 | LIVERMORE | 9740 | — | Yes |
| 925-295 | WALNUT CRK | 9740 | — | — |
| 925-296 | WALNUT CRK | 9740 | — | — |
| 925-297 | LAFAYETTE | 7229 | — | Yes |
| 925-298 | LAFAYETTE | 7240 | — | Yes |
| 925-299 | LAFAYETTE | 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.