RONKONKOMA — NY
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON NEW YORK, INC. | 9104 | 10 |
| OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | 3 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | 3 |
| ONVOY, LLC- NY | 384C | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | 2 |