LEVEL 3 COMMUNICATIONS, LLC - OK
28 prefixes in 580 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 580-215 | LAWTON | 5257 | — | Yes |
| 580-366 | ENID | 5257 | 2001-01-21 | Yes |
| 580-368 | DAVIS | 5257 | 2003-03-04 | Yes |
| 580-599 | ENID | 5257 | 2005-10-12 | Yes |
| 580-609 | ALVA | 5257 | 2002-03-13 | Yes |
| 580-631 | BEAVER | 5257 | 2026-05-14 | Yes |
| 580-635 | HILLSDALE | 5257 | — | Yes |
| 580-686 | KONAWA | 5257 | 2002-05-01 | Yes |
| 580-691 | CARTWRIGHT | 5257 | 2017-12-08 | Yes |
| 580-701 | ENID | 5257 | 2002-02-14 | Yes |
| 580-709 | HOOKER | 5257 | 2026-05-14 | Yes |
| 580-713 | LAWTON | 5257 | 2002-05-14 | Yes |
| 580-714 | ACHILLE | 5257 | 2017-12-08 | Yes |
| 580-722 | NEWKIRK | 5257 | 2014-05-14 | Yes |
| 580-733 | BOKCHITO | 5257 | 2017-12-08 | Yes |
| 580-749 | PONCA CITY | 5257 | 2002-03-13 | Yes |
| 580-752 | HOBART | 5257 | 2002-05-01 | Yes |
| 580-754 | GUYMON | 5257 | — | Yes |
| 580-781 | SARKNSASCY | 5257 | 2002-05-14 | Yes |
| 580-786 | DUNCAN | 5257 | 2002-05-14 | Yes |
| 580-787 | BOISE CITY | 5257 | 2023-01-24 | Yes |
| 580-789 | BLACKWELL | 5257 | 2002-03-13 | Yes |
| 580-798 | ARDMORE | 5257 | 2002-05-01 | Yes |
| 580-845 | TUPELO | 5257 | — | Yes |
| 580-872 | MADILL | 5257 | 2002-05-01 | Yes |
| 580-910 | HEALDTON | 5257 | 2004-04-07 | Yes |
| 580-942 | COLBERT | 5257 | 2017-12-08 | Yes |
| 580-982 | ANTLERS | 5257 | 2004-04-07 | 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.