SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT
325 prefixes in 860 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 860-204 | NORWICH | 9147 | — | Yes |
| 860-210 | NEWMILFORD | 9147 | — | Yes |
| 860-223 | NEWBRITAIN | 9147 | — | — |
| 860-224 | NEWBRITAIN | 9147 | — | — |
| 860-225 | NEWBRITAIN | 9147 | — | — |
| 860-228 | COLUMBIA | 9147 | — | — |
| 860-229 | NEWBRITAIN | 9147 | — | — |
| 860-230 | PLAINFIELD | 9147 | — | Yes |
| 860-231 | HARTFORD | 9147 | — | — |
| 860-232 | HARTFORD | 9147 | — | — |
| 860-233 | HARTFORD | 9147 | — | — |
| 860-236 | HARTFORD | 9147 | — | — |
| 860-240 | HARTFORD | 9147 | — | — |
| 860-241 | HARTFORD | 9147 | — | — |
| 860-242 | HARTFORD | 9147 | — | — |
| 860-243 | HARTFORD | 9147 | — | — |
| 860-244 | HARTFORD | 9147 | — | Yes |
| 860-245 | MYSTIC | 9147 | — | Yes |
| 860-246 | HARTFORD | 9147 | — | — |
| 860-247 | HARTFORD | 9147 | — | Yes |
| 860-249 | HARTFORD | 9147 | — | Yes |
| 860-251 | HARTFORD | 9147 | — | Yes |
| 860-253 | ENFIELD | 9147 | — | Yes |
| 860-257 | HARTFORD | 9147 | — | Yes |
| 860-258 | HARTFORD | 9147 | — | Yes |
| 860-267 | E HAMPTON | 9147 | — | Yes |
| 860-270 | HARTFORD | 9147 | — | Yes |
| 860-271 | NEW LONDON | 9147 | — | Yes |
| 860-272 | ENFIELD | 9147 | — | Yes |
| 860-273 | HARTFORD | 9147 | — | — |
| 860-274 | WATERTOWN | 9147 | — | — |
| 860-275 | HARTFORD | 9147 | — | — |
| 860-276 | SOUTHINGTN | 9147 | — | Yes |
| 860-277 | HARTFORD | 9147 | — | — |
| 860-278 | HARTFORD | 9147 | — | Yes |
| 860-280 | HARTFORD | 9147 | — | Yes |
| 860-282 | HARTFORD | 9147 | — | — |
| 860-283 | THOMASTON | 9147 | — | — |
| 860-284 | FARMINGTON | 9147 | — | Yes |
| 860-285 | WINDSOR | 9147 | — | — |
| 860-286 | HARTFORD | 9147 | — | — |
| 860-289 | HARTFORD | 9147 | — | — |
| 860-290 | HARTFORD | 9147 | — | — |
| 860-291 | HARTFORD | 9147 | — | — |
| 860-292 | WINDSORLKS | 9147 | — | Yes |
| 860-293 | HARTFORD | 9147 | — | — |
| 860-295 | E HAMPTON | 9147 | — | Yes |
| 860-296 | HARTFORD | 9147 | — | — |
| 860-297 | HARTFORD | 9147 | — | Yes |
| 860-298 | WINDSOR | 9147 | — | — |
| 860-299 | HARTFORD | 9147 | — | Yes |
| 860-308 | HARTFORD | 9147 | — | Yes |
| 860-312 | NORWICH | 9147 | — | — |
| 860-313 | HARTFORD | 9147 | — | Yes |
| 860-314 | BRISTOL | 9147 | — | — |
| 860-333 | NEW LONDON | 9147 | — | Yes |
| 860-342 | MIDDLETOWN | 9147 | — | Yes |
| 860-343 | MIDDLETOWN | 9147 | — | — |
| 860-344 | MIDDLETOWN | 9147 | — | — |
| 860-345 | HADDAM | 9147 | — | Yes |
| 860-346 | MIDDLETOWN | 9147 | — | — |
| 860-347 | MIDDLETOWN | 9147 | — | — |
| 860-348 | NEWBRITAIN | 9147 | — | Yes |
| 860-349 | MIDDLETOWN | 9147 | — | Yes |
| 860-350 | NEWMILFORD | 9147 | — | — |
| 860-353 | HARTFORD | 9147 | 2007-07-02 | Yes |
| 860-354 | NEWMILFORD | 9147 | — | — |
| 860-355 | NEWMILFORD | 9147 | — | — |
| 860-358 | MIDDLETOWN | 9147 | — | Yes |
| 860-362 | CANAAN | 9147 | — | Yes |
| 860-364 | SHARON | 9147 | — | Yes |
| 860-365 | E HAMPTON | 9147 | — | Yes |
| 860-367 | NORWICH | 9147 | — | Yes |
| 860-368 | GLASTONBY | 9147 | — | Yes |
| 860-371 | HARTFORD | 9147 | — | Yes |
| 860-372 | HARTFORD | 9147 | — | Yes |
| 860-376 | JEWETTCITY | 9147 | — | — |
| 860-378 | SOUTHINGTN | 9147 | — | Yes |
| 860-379 | WINSTED | 9147 | — | — |
| 860-386 | WINDSORLKS | 9147 | — | Yes |
| 860-388 | OLD SAYBRK | 9147 | — | Yes |
| 860-391 | OLD SAYBRK | 9147 | — | Yes |
| 860-395 | OLD SAYBRK | 9147 | — | Yes |
| 860-396 | MYSTIC | 9147 | — | — |
| 860-399 | OLD SAYBRK | 9147 | — | — |
| 860-403 | HARTFORD | 9147 | — | — |
| 860-404 | FARMINGTON | 9147 | — | Yes |
| 860-405 | NEW LONDON | 9147 | — | Yes |
| 860-408 | SIMSBURY | 9147 | — | — |
| 860-409 | FARMINGTON | 9147 | — | — |
| 860-410 | PLAINVILLE | 9147 | — | Yes |
| 860-418 | HARTFORD | 9147 | — | Yes |
| 860-422 | HARTFORD | 9147 | — | Yes |
| 860-423 | WILLIMNTIC | 9147 | — | — |
| 860-424 | HARTFORD | 9147 | — | Yes |
| 860-425 | NORWICH | 9147 | — | Yes |
| 860-429 | STORRS | 9147 | — | — |
| 860-433 | NEW LONDON | 9147 | — | — |
| 860-434 | LYME | 9147 | — | — |
| 860-435 | LAKEVILLE | 9147 | — | 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.