UNION TELEPHONE COMPANY
17 prefixes in 970 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 970-269 | MAYBELL | 013B | — | — |
| 970-326 | CRAIG | 013B | — | — |
| 970-537 | KREMMLING | 013B | — | — |
| 970-574 | DINOSAUR | 013B | — | — |
| 970-655 | GRANBY | 013B | — | — |
| 970-734 | STEAMBOSPG | 013B | — | — |
| 970-745 | GRAND JCT | 013B | 2010-04-12 | — |
| 970-750 | WALDEN | 013B | 2004-01-20 | — |
| 970-751 | DELTA | 013B | 2012-05-08 | — |
| 970-755 | RANGELY | 013B | 2004-01-20 | — |
| 970-756 | CRAIG | 013B | 2003-12-18 | — |
| 970-757 | HAYDEN | 013B | 2004-01-20 | — |
| 970-758 | FRASER | 013B | 2004-01-20 | — |
| 970-767 | FT COLLINS | 013B | 2010-04-12 | — |
| 970-770 | MONTROSE | 013B | 2012-05-08 | — |
| 970-873 | WALDEN | 013B | — | — |
| 970-942 | MEEKER | 013B | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.