GENOA — CO
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | 2 |
| EASTERN SLOPE RURAL TEL. ASSN., INC. | 2186 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | 2 |
| EASTERN SLOPE RURAL TEL. ASSN., INC. | 2186 | 1 |