MOUNTKISCO — NY
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | 14 |
| VERIZON NEW YORK, INC. | 9104 | 4 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | 2 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | 2 |