All assignees
208 prefixes in 628 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 628-200 | SNFC JUNPR | 649C | — | Yes |
| 628-201 | SNFC CNTRL | 649C | 2015-12-01 | Yes |
| 628-202 | BELVEDERE | 6529 | 2016-04-01 | Yes |
| 628-203 | STNSN-BLNS | 649C | 2016-06-27 | Yes |
| 628-204 | NICASIO | 6529 | 2016-07-01 | Yes |
| 628-205 | SNFC CNTRL | 6006 | 2016-07-27 | Yes |
| 628-206 | SNFC CNTRL | 9740 | 2015-06-02 | Yes |
| 628-207 | SNFC MT-EV | 981E | 2016-07-29 | Yes |
| 628-208 | SNFC CNTRL | 197D | 2016-08-09 | Yes |
| 628-209 | NOVATO | 073H | 2016-12-15 | Yes |
| 628-210 | INVERNESS | 373F | 2016-09-19 | Yes |
| 628-211 | MULT | — | — | |
| 628-212 | CORTEMADRA | 981E | 2016-09-20 | Yes |
| 628-213 | SNFC CNTRL | 6529 | 2016-12-01 | Yes |
| 628-214 | NOVATO | 373F | 2016-09-20 | Yes |
| 628-215 | MILLVALLEY | 981E | 2016-09-20 | Yes |
| 628-216 | POINTREYES | 981E | 2016-09-20 | Yes |
| 628-217 | SNFC CNTRL | 7145 | 2016-08-22 | Yes |
| 628-218 | SNFC CNTRL | 7240 | 2017-06-16 | Yes |
| 628-219 | SNFC MT-EV | 6010 | 2017-07-27 | Yes |
| 628-220 | SNFC CNTRL | 8826 | 2016-02-12 | Yes |
| 628-221 | SNFC CNTRL | 508J | 2015-07-14 | Yes |
| 628-222 | SNFC CNTRL | 649C | 2014-09-29 | Yes |
| 628-223 | SNFC CNTRL | 7145 | 2015-09-16 | Yes |
| 628-224 | SNFC MT-EV | 6010 | 2015-10-02 | Yes |
| 628-225 | SNFC CNTRL | 6006 | 2015-10-02 | Yes |
| 628-226 | BELVEDERE | 6010 | 2015-11-13 | Yes |
| 628-227 | SNFC MT-EV | 981E | — | Yes |
| 628-228 | SNFC CNTRL | 9740 | 2016-02-18 | Yes |
| 628-229 | POINTREYES | 649C | 2016-04-29 | Yes |
| 628-230 | SNFC CNTRL | 6006 | 2018-01-18 | Yes |
| 628-231 | SNFC CNTRL | 7145 | 2015-10-27 | Yes |
| 628-232 | INVERNESS | 373F | 2014-10-07 | Yes |
| 628-233 | SNFC CNTRL | 6010 | 2015-10-05 | Yes |
| 628-234 | SAN RAFAEL | 671J | 2015-03-13 | Yes |
| 628-235 | SNFC CNTRL | 8826 | 2015-12-01 | Yes |
| 628-236 | NOVATO | 6529 | 2016-02-04 | Yes |
| 628-237 | SAUSALITO | 6529 | 2016-03-04 | Yes |
| 628-238 | IGNACIO | 373F | — | Yes |
| 628-239 | SNFC JUNPR | 981E | 2016-07-22 | Yes |
| 628-240 | SAN RAFAEL | 5562 | 2017-09-20 | Yes |
| 628-241 | SNFC JUNPR | 6529 | 2016-07-01 | Yes |
| 628-242 | SNFC CNTRL | 9740 | 2015-04-10 | Yes |
| 628-243 | SAN RAFAEL | 649C | 2015-12-01 | Yes |
| 628-244 | BELVEDERE | 373F | 2016-08-22 | Yes |
| 628-245 | MILLVALLEY | 649C | 2016-07-14 | Yes |
| 628-246 | SNFC CNTRL | 981E | 2016-07-22 | Yes |
| 628-247 | SNFC CNTRL | 7145 | 2016-07-19 | Yes |
| 628-248 | SNFC MT-EV | 7145 | 2016-07-19 | Yes |
| 628-249 | SNFC CNTRL | 6006 | 2017-02-03 | Yes |
| 628-250 | SNFC JUNPR | 6006 | 2017-10-04 | Yes |
| 628-251 | SNFC CNTRL | 373F | 2016-10-17 | Yes |
| 628-252 | CORTEMADRA | 6529 | 2016-07-01 | Yes |
| 628-253 | SAN RAFAEL | 981E | 2016-07-25 | Yes |
| 628-254 | SAUSALITO | 981E | 2016-08-23 | Yes |
| 628-255 | SNFC CNTRL | 6006 | 2017-02-10 | Yes |
| 628-256 | SNFC MT-EV | 433E | 2016-10-17 | Yes |
| 628-257 | MILLVALLEY | 973E | 2016-10-28 | Yes |
| 628-258 | NICASIO | 6529 | 2017-10-19 | Yes |
| 628-259 | IGNACIO | 6010 | 2017-10-26 | Yes |
| 628-260 | SNFC CNTRL | 7145 | 2018-01-29 | Yes |
| 628-261 | SAUSALITO | 145J | — | Yes |
| 628-262 | BELVEDERE | 114J | 2018-02-23 | Yes |
| 628-263 | SNFC CNTRL | 7240 | 2018-05-15 | Yes |
| 628-264 | SNFC CNTRL | 6529 | 2018-12-05 | Yes |
| 628-265 | INVERNESS | 981E | 2019-02-06 | Yes |
| 628-266 | CORTEMADRA | 981E | 2019-03-11 | Yes |
| 628-267 | SNFC CNTRL | 7145 | 2019-07-24 | Yes |
| 628-268 | SNFC CNTRL | 8826 | 2019-08-26 | Yes |
| 628-269 | SAN RAFAEL | 6529 | 2019-09-30 | Yes |
| 628-270 | SNFC MT-EV | 433E | 2018-12-11 | Yes |
| 628-271 | SNFC CNTRL | 624H | — | Yes |
| 628-272 | POINTREYES | 649C | 2019-10-04 | Yes |
| 628-273 | SNFC CNTRL | 8826 | 2018-03-27 | Yes |
| 628-274 | SNFC CNTRL | 8826 | 2018-03-27 | Yes |
| 628-275 | SNFC CNTRL | 8826 | 2018-03-27 | Yes |
| 628-276 | SNFC CNTRL | 6529 | 2021-01-11 | Yes |
| 628-277 | SAN RAFAEL | 073H | 2021-01-29 | Yes |
| 628-278 | SNFC MT-EV | 6010 | 2022-01-10 | Yes |
| 628-279 | SAUSALITO | 981E | 2021-11-05 | Yes |
| 628-280 | SNFC MT-EV | 433E | 2018-05-01 | Yes |
| 628-281 | SNFC CNTRL | 732J | 2023-01-11 | Yes |
| 628-282 | SNFC JUNPR | 7421 | — | Yes |
| 628-283 | SNFC MT-EV | 6529 | 2022-01-07 | Yes |
| 628-284 | SNFC CNTRL | 6006 | 2022-06-17 | Yes |
| 628-285 | SAN RAFAEL | 649C | 2022-08-30 | Yes |
| 628-286 | SNFC MT-EV | 252F | 2020-02-03 | Yes |
| 628-287 | SNFC CNTRL | 598J | 2023-04-07 | Yes |
| 628-288 | MILLVALLEY | 965H | 2019-03-19 | Yes |
| 628-289 | SNFC CNTRL | 598J | 2023-05-26 | Yes |
| 628-290 | SNFC JUNPR | 6529 | 2023-07-13 | Yes |
| 628-291 | MILLVALLEY | 597F | 2023-08-04 | Yes |
| 628-292 | BELVEDERE | 939H | 2023-08-09 | Yes |
| 628-293 | NICASIO | 939H | 2023-08-09 | Yes |
| 628-294 | NOVATO | 6010 | 2023-09-13 | Yes |
| 628-295 | SAN RAFAEL | 649C | 2023-09-19 | Yes |
| 628-296 | SNFC MT-EV | 649C | 2023-10-02 | Yes |
| 628-297 | SNFC MT-EV | 6529 | 2024-02-21 | Yes |
| 628-298 | SNFC JUNPR | 6529 | 2024-02-29 | Yes |
| 628-299 | SNFC JUNPR | 965H | 2021-07-08 | 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.