AT&T - LOCAL
17 prefixes in 973 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 973-240 | WHIPPANY | 7421 | — | Yes |
| 973-241 | BERNARDSVL | 7421 | — | Yes |
| 973-251 | LIVINGSTON | 7421 | — | Yes |
| 973-264 | MADISON | 7421 | — | Yes |
| 973-265 | BOONTON | 7421 | — | Yes |
| 973-287 | CALDWELL | 7421 | — | Yes |
| 973-337 | BLOOMFIELD | 7421 | 2001-01-18 | Yes |
| 973-339 | LITTLE FLS | 7421 | — | Yes |
| 973-341 | PATERSON | 7421 | — | Yes |
| 973-348 | BERNARDSVL | 7421 | — | Yes |
| 973-355 | MORRISTOWN | 7421 | — | Yes |
| 973-406 | MT VIEW | 7421 | — | Yes |
| 973-602 | WHIPPANY | 7421 | — | Yes |
| 973-607 | DOVER | 7421 | — | Yes |
| 973-637 | WHIPPANY | 7421 | — | Yes |
| 973-647 | MORRISTOWN | 7421 | — | Yes |
| 973-820 | NEWARK | 7421 | — | 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.