SOUTHWESTERN BELL
154 prefixes in 870 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 870-737 | PORTLAND | 9533 | — | Yes |
| 870-739 | MARION | 9533 | — | Yes |
| 870-744 | TUPELO | 9533 | — | Yes |
| 870-748 | CALION | 9533 | — | Yes |
| 870-753 | HELENA | 9533 | — | Yes |
| 870-755 | PARKIN | 9533 | — | Yes |
| 870-759 | WALNUT RDG | 9533 | — | Yes |
| 870-762 | BLYTHEVL | 9533 | — | — |
| 870-763 | BLYTHEVL | 9533 | — | — |
| 870-766 | ALTHEIMER | 9533 | — | Yes |
| 870-768 | MORO | 9533 | — | Yes |
| 870-776 | BLYTHEVL | 9533 | — | Yes |
| 870-777 | HOPE | 9533 | — | — |
| 870-780 | BLYTHEVL | 9533 | — | — |
| 870-786 | STEPHENS | 9533 | — | Yes |
| 870-792 | EARLE | 9533 | — | Yes |
| 870-793 | BATESVILLE | 9533 | — | — |
| 870-794 | PINE BLUFF | 9533 | — | Yes |
| 870-797 | STRONG | 9533 | — | Yes |
| 870-799 | NEWARK | 9533 | — | Yes |
| 870-802 | JONESBORO | 9533 | — | Yes |
| 870-816 | HELENA | 9533 | — | Yes |
| 870-817 | HELENA | 9533 | — | — |
| 870-819 | JONESBORO | 9533 | — | Yes |
| 870-823 | CRAWFODSVL | 9533 | — | Yes |
| 870-836 | CAMDEN | 9533 | — | — |
| 870-837 | CAMDEN | 9533 | — | Yes |
| 870-838 | BLYTHEVL | 9533 | — | Yes |
| 870-845 | NASHVILLE | 9533 | — | Yes |
| 870-850 | PINE BLUFF | 9533 | — | Yes |
| 870-853 | HAMBURG | 9533 | — | Yes |
| 870-862 | EL DORADO | 9533 | — | — |
| 870-863 | EL DORADO | 9533 | — | — |
| 870-864 | EL DORADO | 9533 | — | — |
| 870-875 | EL DORADO | 9533 | — | Yes |
| 870-877 | ARKANSASCY | 9533 | — | Yes |
| 870-878 | BLACK ROCK | 9533 | — | Yes |
| 870-879 | PINE BLUFF | 9533 | — | Yes |
| 870-881 | EL DORADO | 9533 | — | Yes |
| 870-886 | WALNUT RDG | 9533 | — | Yes |
| 870-898 | ASHDOWN | 9533 | — | Yes |
| 870-899 | BODCAW | 9533 | — | Yes |
| 870-901 | MAGNOLIA | 9533 | — | Yes |
| 870-910 | JONESBORO | 9533 | — | — |
| 870-930 | JONESBORO | 9533 | — | — |
| 870-931 | JONESBORO | 9533 | — | — |
| 870-932 | JONESBORO | 9533 | — | — |
| 870-933 | JONESBORO | 9533 | — | — |
| 870-934 | JONESBORO | 9533 | — | — |
| 870-935 | JONESBORO | 9533 | — | — |
| 870-943 | HUTTIG | 9533 | — | Yes |
| 870-962 | URBANA | 9533 | — | Yes |
| 870-972 | JONESBORO | 9533 | — | — |
| 870-974 | JONESBORO | 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.