RIVERHEAD — NY
Data last updated: October 30, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 16 |
| VERIZON NEW YORK, INC. | 9104 | 9 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | 8 |
| OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | 6 |
| LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | 2 |