All assignees
246 prefixes in 458 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 458-675 | OAKRIDGE | 750E | 2016-03-14 | Yes |
| 458-687 | MORO | 516J | 2022-02-15 | Yes |
| 458-700 | — | — | ||
| 458-703 | CANYONVL | 750E | — | Yes |
| 458-710 | COOS BAY | 750E | 2019-10-09 | Yes |
| 458-711 | XXXXXXXXXX | MULT | — | — |
| 458-723 | BURNS | 516J | 2022-02-01 | Yes |
| 458-726 | MONUMENT | 516J | 2022-02-15 | Yes |
| 458-742 | NO HARNEY | 516J | 2022-02-15 | Yes |
| 458-746 | GRASS VLY | 516J | 2022-02-07 | Yes |
| 458-757 | MILTONFWTR | 750E | 2016-07-13 | Yes |
| 458-763 | ASHLAND | 516J | 2022-02-23 | Yes |
| 458-775 | — | — | ||
| 458-777 | JEFFERSON | 750E | 2017-09-07 | Yes |
| 458-783 | DEPOE BAY | 516J | 2022-02-23 | Yes |
| 458-787 | HEPPNER | 516J | 2022-02-07 | Yes |
| 458-800 | MADRAS | 158H | 2018-08-28 | Yes |
| 458-802 | ROSEBURG | 750E | — | Yes |
| 458-803 | ROSEBURG | 750E | — | Yes |
| 458-811 | XXXXXXXXXX | MULT | — | — |
| 458-832 | PARKDALE | 516J | 2022-02-18 | Yes |
| 458-836 | BEND | 516J | 2021-02-09 | Yes |
| 458-837 | MITCHELL | 516J | 2022-02-14 | Yes |
| 458-846 | SO HARNEY | 516J | 2022-02-18 | Yes |
| 458-854 | THE DALLES | 750E | 2018-09-11 | Yes |
| 458-867 | EUGENE | 939H | 2021-11-19 | Yes |
| 458-868 | SOUTHBEACH | 792K | 2017-10-11 | Yes |
| 458-877 | LA GRANDE | 622J | 2021-09-13 | Yes |
| 458-886 | BLY | 516J | 2022-03-02 | Yes |
| 458-888 | STATELINE | 750E | 2015-04-14 | Yes |
| 458-895 | EUGENE | 506J | 2020-10-23 | Yes |
| 458-899 | REDMOND | 158H | 2018-10-26 | Yes |
| 458-900 | ATHENA | 158H | 2018-10-25 | Yes |
| 458-901 | COOS BAY | 624H | 2021-11-16 | Yes |
| 458-902 | COVE | 624H | 2022-01-19 | Yes |
| 458-910 | EUGENE | 750E | 2021-04-16 | Yes |
| 458-911 | XXXXXXXXXX | MULT | — | — |
| 458-946 | RIDDLE | 965H | 2020-07-28 | Yes |
| 458-950 | — | — | ||
| 458-958 | — | — | ||
| 458-959 | — | — | ||
| 458-971 | — | — | ||
| 458-976 | — | — | ||
| 458-986 | — | — | ||
| 458-987 | GILCHRIST | 516J | 2022-02-04 | Yes |
| 458-999 | UMATILLA | 750E | 2017-09-07 | 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.