All assignees
510 prefixes in 385 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 385-950 | — | — | ||
| 385-955 | SALT LAKE | 6529 | 2018-05-08 | Yes |
| 385-958 | — | — | ||
| 385-959 | — | — | ||
| 385-976 | — | — | ||
| 385-977 | SALT LAKE | 6529 | 2020-09-15 | Yes |
| 385-985 | PROVO | 6010 | 2012-03-06 | Yes |
| 385-988 | FARMINGTON | 117F | 2015-02-16 | Yes |
| 385-993 | LEHI | 318J | 2020-10-05 | Yes |
| 385-999 | SPANIHFORK | 871E | 2013-12-10 | Yes |
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.