All assignees
799 prefixes in 860 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 860-400 | LEDYARD | 539F | 2013-04-11 | Yes |
| 860-401 | DANIELSON | 639C | 2024-03-12 | Yes |
| 860-402 | HARTFORD | 4036 | — | — |
| 860-403 | HARTFORD | 9147 | — | — |
| 860-404 | FARMINGTON | 9147 | — | Yes |
| 860-405 | NEW LONDON | 9147 | — | Yes |
| 860-406 | SOUTHINGTN | 7229 | — | Yes |
| 860-407 | JEWETTCITY | 539F | 2013-04-11 | Yes |
| 860-408 | SIMSBURY | 9147 | — | — |
| 860-409 | FARMINGTON | 9147 | — | — |
| 860-410 | PLAINVILLE | 9147 | — | Yes |
| 860-411 | XXXXXXXXXX | MULT | — | — |
| 860-412 | DANIELSON | 7143 | — | Yes |
| 860-413 | SIMSBURY | 318J | — | Yes |
| 860-414 | SOUTHINGTN | 7229 | — | Yes |
| 860-415 | MYSTIC | 7143 | — | Yes |
| 860-416 | HARTFORD | 4036 | — | — |
| 860-417 | WATERTOWN | 7143 | — | Yes |
| 860-418 | HARTFORD | 9147 | — | Yes |
| 860-419 | CORNWALL | 4800 | — | Yes |
| 860-420 | STORRS | 7143 | — | Yes |
| 860-421 | CANTON | 7143 | — | Yes |
| 860-422 | HARTFORD | 9147 | — | Yes |
| 860-423 | WILLIMNTIC | 9147 | — | — |
| 860-424 | HARTFORD | 9147 | — | Yes |
| 860-425 | NORWICH | 9147 | — | Yes |
| 860-426 | SOUTHINGTN | 318J | — | Yes |
| 860-427 | STORRS | 829J | — | — |
| 860-428 | WILLIMNTIC | 6388 | — | — |
| 860-429 | STORRS | 9147 | — | — |
| 860-430 | GLASTONBY | 318J | — | Yes |
| 860-431 | SIMSBURY | 7421 | — | Yes |
| 860-432 | MANCHESTER | 318J | — | Yes |
| 860-433 | NEW LONDON | 9147 | — | — |
| 860-434 | LYME | 9147 | — | — |
| 860-435 | LAKEVILLE | 9147 | — | Yes |
| 860-436 | HARTFORD | 318J | — | Yes |
| 860-437 | NEW LONDON | 9147 | — | — |
| 860-438 | NEWBRITAIN | 7421 | — | Yes |
| 860-439 | NEW LONDON | 9147 | — | — |
| 860-440 | NEW LONDON | 9147 | — | Yes |
| 860-441 | NEW LONDON | 9147 | — | — |
| 860-442 | NEW LONDON | 9147 | — | — |
| 860-443 | NEW LONDON | 9147 | — | — |
| 860-444 | NEW LONDON | 9147 | — | — |
| 860-445 | NEW LONDON | 9147 | — | — |
| 860-446 | NEW LONDON | 9147 | — | Yes |
| 860-447 | NEW LONDON | 9147 | — | — |
| 860-448 | NEW LONDON | 9147 | — | Yes |
| 860-449 | NEW LONDON | 9147 | — | Yes |
| 860-450 | WILLIMNTIC | 9147 | — | Yes |
| 860-451 | NIANTIC | 7143 | — | Yes |
| 860-452 | KILLINGWTH | 7143 | — | Yes |
| 860-453 | CANAAN | 318J | — | Yes |
| 860-454 | ROCKVILLE | 7143 | — | Yes |
| 860-455 | WILLIMNTIC | 9147 | — | Yes |
| 860-456 | WILLIMNTIC | 9147 | — | — |
| 860-457 | PLAINFIELD | 7143 | — | Yes |
| 860-458 | STAFFD SPG | 7143 | — | Yes |
| 860-459 | TORRINGTON | 7143 | — | Yes |
| 860-460 | NEW LONDON | 6388 | — | — |
| 860-461 | HARTFORD | 318J | — | Yes |
| 860-462 | HARTFORD | 6388 | — | Yes |
| 860-463 | HARTFORD | 6388 | — | — |
| 860-464 | LEDYARD | 9147 | — | Yes |
| 860-465 | WILLIMNTIC | 9147 | — | Yes |
| 860-466 | HARTFORD | 7143 | — | Yes |
| 860-467 | E HAMPTON | 7143 | — | Yes |
| 860-468 | LEBANON | 792K | — | Yes |
| 860-469 | WINSTED | 7143 | — | Yes |
| 860-470 | FARMINGTON | 829J | — | Yes |
| 860-471 | HARTFORD | 6388 | 2009-05-08 | Yes |
| 860-472 | HARTFORD | 829J | 2020-11-10 | Yes |
| 860-473 | HARTFORD | 6630 | — | — |
| 860-474 | MANCHESTER | 7421 | 2003-07-08 | Yes |
| 860-475 | — | — | ||
| 860-476 | — | — | ||
| 860-477 | STORRS | 792K | 2004-12-14 | Yes |
| 860-478 | HARTFORD | 5562 | — | Yes |
| 860-479 | PLAINVILLE | 318J | — | Yes |
| 860-480 | TORRINGTON | 6388 | — | Yes |
| 860-481 | PUTNAM | 4800 | — | Yes |
| 860-482 | TORRINGTON | 9147 | — | — |
| 860-483 | WATERTOWN | 6388 | — | Yes |
| 860-484 | THOMASTON | 5562 | — | Yes |
| 860-485 | HARWINTON | 9147 | — | Yes |
| 860-486 | STORRS | 829J | — | — |
| 860-487 | STORRS | 9147 | — | Yes |
| 860-488 | NEWMILFORD | 6388 | — | Yes |
| 860-489 | TORRINGTON | 9147 | — | — |
| 860-490 | HARTFORD | 6388 | — | — |
| 860-491 | TORRINGTON | 9147 | — | Yes |
| 860-492 | SHARON | 7143 | — | Yes |
| 860-493 | HARTFORD | 9147 | — | — |
| 860-494 | GLASTONBY | 7143 | — | Yes |
| 860-495 | PAWCATUCK | 318J | — | Yes |
| 860-496 | TORRINGTON | 9147 | — | — |
| 860-497 | NOTHOMPSON | 7143 | — | Yes |
| 860-498 | COVENTRY | 792K | — | Yes |
| 860-499 | CORNWALL | 7143 | — | 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.