SOUTHWESTERN BELL
42 prefixes in 936 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 936-254 | TIMPSON | 9533 | — | Yes |
| 936-257 | DAYTON | 9533 | — | Yes |
| 936-258 | DAYTON | 9533 | — | Yes |
| 936-275 | SANAUGUSTN | 9533 | — | — |
| 936-288 | SANAUGUSTN | 9533 | — | Yes |
| 936-291 | HUNTSVILLE | 9533 | — | — |
| 936-293 | HUNTSVILLE | 9533 | — | Yes |
| 936-294 | HUNTSVILLE | 9533 | — | Yes |
| 936-295 | HUNTSVILLE | 9533 | — | — |
| 936-334 | LIBERTY | 9533 | — | Yes |
| 936-336 | LIBERTY | 9533 | — | — |
| 936-346 | LIBERTY | 9533 | — | Yes |
| 936-348 | MADISONVL | 9533 | — | Yes |
| 936-349 | MADISONVL | 9533 | — | Yes |
| 936-362 | CHIRENO | 9533 | — | Yes |
| 936-372 | WALLER | 9533 | — | Yes |
| 936-389 | WALLER | 9533 | 2001-05-17 | — |
| 936-398 | CORRIGAN | 9533 | — | Yes |
| 936-417 | CORRIGAN | 9533 | 2001-05-17 | Yes |
| 936-435 | HUNTSVILLE | 9533 | — | Yes |
| 936-436 | HUNTSVILLE | 9533 | — | Yes |
| 936-437 | HUNTSVILLE | 9533 | — | — |
| 936-438 | HUNTSVILLE | 9533 | — | Yes |
| 936-439 | HUNTSVILLE | 9533 | — | Yes |
| 936-462 | NACOGDOCHS | 9533 | — | — |
| 936-468 | NACOGDOCHS | 9533 | — | — |
| 936-496 | HUNTSVILLE | 9533 | — | — |
| 936-552 | NACOGDOCHS | 9533 | — | — |
| 936-558 | NACOGDOCHS | 9533 | — | — |
| 936-559 | NACOGDOCHS | 9533 | — | Yes |
| 936-560 | NACOGDOCHS | 9533 | — | — |
| 936-564 | NACOGDOCHS | 9533 | — | — |
| 936-568 | NACOGDOCHS | 9533 | — | — |
| 936-569 | NACOGDOCHS | 9533 | — | — |
| 936-590 | CENTER | 9533 | — | Yes |
| 936-591 | CENTER | 9533 | — | Yes |
| 936-596 | SANAUGUSTN | 9533 | 2001-03-21 | Yes |
| 936-598 | CENTER | 9533 | — | — |
| 936-715 | NACOGDOCHS | 9533 | — | Yes |
| 936-730 | HUNTSVILLE | 9533 | — | Yes |
| 936-857 | PRAIRIE VW | 9533 | — | Yes |
| 936-931 | WALLER | 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.