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13 prefixes in 409 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 409-214 | HEMPHILL | 793K | 2023-12-13 | Yes |
| 409-217 | PORTARTHUR | 793K | — | Yes |
| 409-227 | LUMBERTON | 793K | 2004-11-22 | Yes |
| 409-244 | HAMSHIRE | 793K | 2016-09-28 | Yes |
| 409-279 | KIRBYVILLE | 793K | — | Yes |
| 409-294 | JASPER | 793K | 2022-08-23 | Yes |
| 409-300 | PORTARTHUR | 793K | 2010-11-23 | Yes |
| 409-301 | NOME | 793K | 2022-02-14 | Yes |
| 409-400 | WINNIE | 793K | 2010-11-24 | Yes |
| 409-422 | VIDOR | 793K | 2003-12-19 | Yes |
| 409-548 | PORTARTHUR | 793K | 2002-08-26 | Yes |
| 409-554 | BEAUMONT | 793K | — | Yes |
| 409-853 | NDLDPTNCHS | 793K | 2001-05-24 | 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.