DERBY — NY
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | 1 |
| AT&T - LOCAL | 7421 | 1 |
| VERIZON NEW YORK, INC. | 9104 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | 1 |
| AT&T - LOCAL | 7421 | 1 |
| VERIZON NEW YORK, INC. | 9104 | 1 |