All assignees
800 prefixes in 408 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 408-200 | SNJS WEST | 671J | — | — |
| 408-201 | MORGANHILL | 7480 | — | Yes |
| 408-202 | SNJS NORTH | 6006 | — | — |
| 408-203 | SUNNYVALE | 6010 | — | — |
| 408-204 | SNJS NORTH | 6006 | — | — |
| 408-205 | SNJS NORTH | 6006 | — | — |
| 408-206 | SNJS NORTH | 6006 | — | — |
| 408-207 | SNJS WEST | 671J | — | Yes |
| 408-208 | MORGANHILL | 6006 | 2024-12-17 | Yes |
| 408-209 | SNJS NORTH | 6006 | — | — |
| 408-210 | SNJS WEST | 6529 | — | Yes |
| 408-211 | XXXXXXXXXX | MULT | — | — |
| 408-212 | SUNNYVALE | 7229 | — | Yes |
| 408-213 | SNJS WEST | 7229 | — | — |
| 408-214 | SAN MARTIN | 981E | 2011-08-04 | Yes |
| 408-215 | SUNNYVALE | 7240 | — | Yes |
| 408-216 | SNJS WEST | 7240 | 2001-05-11 | Yes |
| 408-217 | SNJS WEST | 8826 | 2007-11-28 | Yes |
| 408-218 | SNJS WEST | 6010 | — | — |
| 408-219 | SNJS WEST | 6010 | — | — |
| 408-220 | SUNNYVALE | 7229 | — | Yes |
| 408-221 | SNJS WEST | 6010 | — | — |
| 408-222 | SUNNYVALE | 7229 | — | — |
| 408-223 | SNJS SOUTH | 9740 | — | Yes |
| 408-224 | SNJS SOUTH | 9740 | — | — |
| 408-225 | SNJS SOUTH | 9740 | — | — |
| 408-226 | SNJS SOUTH | 9740 | — | — |
| 408-227 | SNJS SOUTH | 9740 | — | — |
| 408-228 | SNJS NORTH | 7229 | — | Yes |
| 408-229 | SNJS SOUTH | 9740 | — | Yes |
| 408-230 | SUNNYVALE | 6529 | — | Yes |
| 408-231 | SNJS WEST | 6630 | — | — |
| 408-232 | SNJS NORTH | 9740 | — | — |
| 408-233 | SNJS WEST | 6630 | — | — |
| 408-234 | SNJS WEST | 6006 | — | — |
| 408-235 | SNJS WEST | 9740 | — | — |
| 408-236 | SNJS WEST | 9740 | — | — |
| 408-237 | SNJS WEST | 6630 | — | — |
| 408-238 | SNJS SOUTH | 9740 | — | — |
| 408-239 | SNJS SOUTH | 9740 | — | Yes |
| 408-240 | SNJS NORTH | 671J | — | — |
| 408-241 | SNJS WEST | 9740 | — | — |
| 408-242 | SUNNYVALE | 6010 | — | — |
| 408-243 | SNJS WEST | 9740 | — | — |
| 408-244 | SNJS WEST | 9740 | — | — |
| 408-245 | SUNNYVALE | 9740 | — | — |
| 408-246 | SNJS WEST | 9740 | — | — |
| 408-247 | SNJS WEST | 9740 | — | — |
| 408-248 | SNJS WEST | 9740 | — | — |
| 408-249 | SNJS WEST | 9740 | — | — |
| 408-250 | SNJS WEST | 6010 | 2001-06-25 | — |
| 408-251 | SNJS NORTH | 9740 | — | — |
| 408-252 | SNJS WEST | 9740 | — | — |
| 408-253 | SNJS WEST | 9740 | — | — |
| 408-254 | SNJS NORTH | 9740 | — | — |
| 408-255 | SNJS WEST | 9740 | — | — |
| 408-256 | SNJS SOUTH | 9740 | — | Yes |
| 408-257 | SNJS WEST | 9740 | — | — |
| 408-258 | SNJS NORTH | 9740 | — | — |
| 408-259 | SNJS NORTH | 9740 | — | — |
| 408-260 | SNJS WEST | 9740 | — | Yes |
| 408-261 | SNJS WEST | 9740 | — | — |
| 408-262 | SNJS NORTH | 9740 | — | — |
| 408-263 | SNJS NORTH | 9740 | — | — |
| 408-264 | SNJS SOUTH | 9740 | — | — |
| 408-265 | SNJS SOUTH | 9740 | — | — |
| 408-266 | SNJS SOUTH | 9740 | — | — |
| 408-267 | SNJS SOUTH | 9740 | — | — |
| 408-268 | SNJS SOUTH | 9740 | — | — |
| 408-269 | SNJS SOUTH | 9740 | — | — |
| 408-270 | SNJS SOUTH | 9740 | — | — |
| 408-271 | SNJS WEST | 9740 | — | — |
| 408-272 | SNJS NORTH | 9740 | — | — |
| 408-273 | SNJS NORTH | 7240 | — | Yes |
| 408-274 | SNJS SOUTH | 9740 | — | — |
| 408-275 | SNJS WEST | 9740 | — | Yes |
| 408-276 | SNJS WEST | 9740 | — | — |
| 408-277 | SNJS WEST | 9740 | — | — |
| 408-278 | SNJS WEST | 9740 | — | — |
| 408-279 | SNJS WEST | 9740 | — | Yes |
| 408-280 | SNJS WEST | 9740 | — | — |
| 408-281 | SNJS SOUTH | 9740 | — | — |
| 408-282 | SNJS WEST | 9740 | — | — |
| 408-283 | SNJS WEST | 9740 | — | — |
| 408-284 | SNJS SOUTH | 9740 | — | Yes |
| 408-285 | SNJS WEST | 9740 | — | — |
| 408-286 | SNJS WEST | 9740 | — | — |
| 408-287 | SNJS WEST | 9740 | — | — |
| 408-288 | SNJS WEST | 9740 | — | — |
| 408-289 | SNJS WEST | 9740 | — | Yes |
| 408-290 | SUNNYVALE | 981E | 2011-07-22 | Yes |
| 408-291 | SNJS WEST | 9740 | — | — |
| 408-292 | SNJS WEST | 9740 | — | — |
| 408-293 | SNJS WEST | 9740 | — | — |
| 408-294 | SNJS WEST | 9740 | — | — |
| 408-295 | SNJS WEST | 9740 | — | — |
| 408-296 | SNJS WEST | 9740 | — | Yes |
| 408-297 | SNJS WEST | 9740 | — | — |
| 408-298 | SNJS WEST | 9740 | — | — |
| 408-299 | SNJS WEST | 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.