CALHOUN — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | 2 |
| EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO | 1811 | 1 |
| BANDWIDTH.COM CLEC, LLC - MO | 993E | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | 2 |
| EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO | 1811 | 1 |
| BANDWIDTH.COM CLEC, LLC - MO | 993E | 1 |