JOHNSTMLKN — CO
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 2 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CO | 7378 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |