SOUTHWESTERN BELL
237 prefixes in 405 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 405-799 | MOORE | 9533 | — | — |
| 405-810 | BRITTON | 9533 | — | Yes |
| 405-815 | OKLA CITY | 9533 | — | Yes |
| 405-840 | BRITTON | 9533 | — | — |
| 405-841 | BRITTON | 9533 | — | — |
| 405-842 | BRITTON | 9533 | — | — |
| 405-843 | BRITTON | 9533 | — | — |
| 405-844 | EDMOND | 9533 | — | — |
| 405-848 | BRITTON | 9533 | — | — |
| 405-855 | MIDWEST CY | 9533 | 2015-03-04 | Yes |
| 405-858 | BRITTON | 9533 | — | Yes |
| 405-865 | CARNEY | 9533 | — | Yes |
| 405-869 | MIDWEST CY | 9533 | — | Yes |
| 405-872 | NOBLE | 9533 | — | Yes |
| 405-878 | SHAWNEE | 9533 | — | Yes |
| 405-879 | BRITTON | 9533 | — | Yes |
| 405-895 | MOORE | 9533 | — | — |
| 405-912 | MOORE | 9533 | — | — |
| 405-917 | OKLA CITY | 9533 | — | — |
| 405-935 | BRITTON | 9533 | 2008-03-26 | Yes |
| 405-936 | BRITTON | 9533 | — | Yes |
| 405-942 | OKLA CITY | 9533 | — | — |
| 405-943 | OKLA CITY | 9533 | — | — |
| 405-944 | CROMWELL | 9533 | — | Yes |
| 405-945 | OKLA CITY | 9533 | — | — |
| 405-946 | OKLA CITY | 9533 | — | — |
| 405-947 | OKLA CITY | 9533 | — | Yes |
| 405-948 | OKLA CITY | 9533 | — | — |
| 405-949 | OKLA CITY | 9533 | — | — |
| 405-951 | OKLA CITY | 9533 | — | — |
| 405-954 | OKLA CITY | 9533 | — | — |
| 405-962 | OKLA CITY | 9533 | — | Yes |
| 405-971 | OKLA CITY | 9533 | — | Yes |
| 405-972 | BETHANY | 9533 | — | Yes |
| 405-973 | OKLA CITY | 9533 | — | Yes |
| 405-974 | OKLA CITY | 9533 | — | Yes |
| 405-979 | OKLA CITY | 9533 | — | 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.