All assignees
655 prefixes in 925 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 925-300 | WALNUT CRK | 6529 | — | Yes |
| 925-301 | ANTIOCH | 8826 | — | Yes |
| 925-302 | BSHP RNCH | 7718 | — | Yes |
| 925-303 | ANTIOCH | 7718 | — | Yes |
| 925-304 | CLAYTON | 8826 | — | Yes |
| 925-305 | CONCORD | 7718 | — | Yes |
| 925-306 | ECONTRCOST | 433E | 2017-01-13 | Yes |
| 925-307 | DUBLN-SNRM | 7718 | — | Yes |
| 925-308 | ECONTRCOST | 7718 | — | Yes |
| 925-309 | DANVILLE | 7718 | — | Yes |
| 925-310 | LAFAYETTE | 7718 | — | Yes |
| 925-311 | XXXXXXXXXX | MULT | — | — |
| 925-312 | ANTIOCH | 6630 | — | — |
| 925-313 | MARTINEZ | 9740 | — | — |
| 925-314 | DANVILLE | 9740 | — | Yes |
| 925-315 | LIVERMORE | 7718 | — | Yes |
| 925-316 | MARTINEZ | 8826 | — | Yes |
| 925-317 | ORINDA | 981E | — | Yes |
| 925-318 | PITTSBURG | 7718 | — | Yes |
| 925-319 | SUNOL | 6529 | — | Yes |
| 925-320 | MORAGA | 671J | 2001-03-27 | Yes |
| 925-321 | LIVERMORE | 6010 | 2001-11-30 | Yes |
| 925-322 | WALNUT CRK | 981E | 2011-05-10 | Yes |
| 925-323 | WALNUT CRK | 6010 | — | — |
| 925-324 | WALNUT CRK | 6006 | 2002-08-21 | Yes |
| 925-325 | ANTIOCH | 6529 | 2001-12-28 | — |
| 925-326 | CONCORD | 8826 | — | Yes |
| 925-327 | BSHP RNCH | 9740 | — | Yes |
| 925-328 | BSHP RNCH | 9740 | — | — |
| 925-329 | ANTIOCH | 6006 | 2014-09-08 | Yes |
| 925-330 | WALNUT CRK | 6010 | 2001-11-30 | Yes |
| 925-331 | ANTIOCH | 671J | 2001-07-17 | Yes |
| 925-332 | CONCORD | 373F | 2012-10-04 | Yes |
| 925-333 | WALNUT CRK | 9748 | — | — |
| 925-334 | CONCORD | 6006 | 2011-07-19 | Yes |
| 925-335 | MARTINEZ | 9740 | — | Yes |
| 925-336 | DUBLN-SNRM | 6010 | 2001-12-28 | Yes |
| 925-337 | LIVERMORE | 6006 | 2002-01-28 | Yes |
| 925-338 | CONCORD | 981E | 2011-07-22 | Yes |
| 925-339 | LIVERMORE | 5562 | 2001-09-21 | — |
| 925-340 | WALNUT CRK | 6630 | — | — |
| 925-341 | LIVERMORE | 6010 | 2020-04-21 | Yes |
| 925-342 | WALNUT CRK | 939H | — | Yes |
| 925-343 | PLEASANTON | 6906 | — | — |
| 925-344 | LIVERMORE | 671J | — | Yes |
| 925-345 | DANVILLE | 9748 | — | — |
| 925-346 | CONCORD | 9748 | — | — |
| 925-347 | LIVERMORE | 9748 | — | — |
| 925-348 | CONCORD | 6010 | 2002-01-28 | Yes |
| 925-349 | CONCORD | 7145 | — | Yes |
| 925-350 | ANTIOCH | 394L | 2011-09-13 | Yes |
| 925-351 | PLEASANTON | 6529 | — | Yes |
| 925-352 | PLEASANTON | 6529 | — | Yes |
| 925-353 | PLEASANTON | 6010 | 2002-01-28 | Yes |
| 925-354 | ANTIOCH | 6010 | 2002-01-28 | Yes |
| 925-355 | BSHP RNCH | 9740 | — | Yes |
| 925-356 | CONCORD | 9740 | — | Yes |
| 925-357 | WALNUT CRK | 8826 | 2011-09-13 | Yes |
| 925-358 | BSHP RNCH | 9740 | — | — |
| 925-359 | BSHP RNCH | 7229 | — | Yes |
| 925-360 | WALNUT CRK | 6010 | — | — |
| 925-361 | DUBLN-SNRM | 7145 | — | Yes |
| 925-362 | DANVILLE | 9740 | — | Yes |
| 925-363 | CONCORD | 9740 | — | — |
| 925-364 | DUBLN-SNRM | 7240 | — | Yes |
| 925-365 | BSHP RNCH | 7145 | — | Yes |
| 925-366 | PLEASANTON | 6529 | — | Yes |
| 925-367 | PLEASANTON | 6529 | — | Yes |
| 925-368 | PLEASANTON | 6529 | — | Yes |
| 925-369 | MARTINEZ | 7379 | — | Yes |
| 925-370 | MARTINEZ | 9740 | — | — |
| 925-371 | LIVERMORE | 9740 | — | Yes |
| 925-372 | MARTINEZ | 9740 | — | — |
| 925-373 | LIVERMORE | 9740 | — | — |
| 925-374 | MARTINEZ | 7229 | — | Yes |
| 925-375 | CONCORD | 6006 | 2016-06-29 | Yes |
| 925-376 | MORAGA | 9740 | — | — |
| 925-377 | MORAGA | 9740 | — | Yes |
| 925-378 | WALNUT CRK | 6006 | 2014-12-11 | Yes |
| 925-379 | PLEASANTON | 7718 | 2014-11-10 | Yes |
| 925-380 | BSHP RNCH | 8826 | — | Yes |
| 925-381 | CONCORD | 6010 | — | — |
| 925-382 | ANTIOCH | 6529 | — | Yes |
| 925-383 | CONCORD | 5562 | — | Yes |
| 925-384 | ANTIOCH | 516C | 2014-12-05 | Yes |
| 925-385 | LAFAYETTE | 7145 | — | Yes |
| 925-386 | ORINDA | 7145 | — | Yes |
| 925-387 | MARTINEZ | 7145 | — | Yes |
| 925-388 | MORAGA | 7145 | — | Yes |
| 925-389 | DANVILLE | 6010 | 2001-11-30 | Yes |
| 925-390 | ECONTRCOST | 6010 | 2016-04-11 | Yes |
| 925-391 | CONCORD | 8826 | 2013-11-25 | Yes |
| 925-392 | ECONTRCOST | 7145 | — | Yes |
| 925-393 | WALNUT CRK | 649C | 2015-06-16 | Yes |
| 925-394 | BSHP RNCH | 8826 | — | Yes |
| 925-395 | WALNUT CRK | 7145 | — | Yes |
| 925-396 | PLEASANTON | 649C | — | — |
| 925-397 | PLEASANTON | 649C | — | — |
| 925-398 | PLEASANTON | 7145 | — | Yes |
| 925-399 | PLEASANTON | 394L | — | 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.