Local Calling Guide
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| NPA-NXX | BLOCK | Rate Centre | Region | OCN | LATA | LIR | Eff date | Disc date |
|---|---|---|---|---|---|---|---|---|
| 346-426 | A | Houston | TX | 321J HD CARRIER LLC | 560 | |||
| 346-426 | 9 | Houston | TX | 321J HD CARRIER LLC | 560 | 2019-12-22 | ||
| 346-875 | 3 | Houston | TX | 321J HD CARRIER LLC | 560 | 2025-07-29 | ||
| 346-875 | 4 | Houston | TX | 321J HD CARRIER LLC | 560 | 2025-07-29 | ||
| 346-921 | 7 | Bammel | TX | 321J HD CARRIER LLC | 560 | 2026-07-02 | ||
| 346-921 | 8 | Bammel | TX | 321J HD CARRIER LLC | 560 | 2026-07-02 | ||
| 346-921 | 9 | Bammel | TX | 321J HD CARRIER LLC | 560 | 2026-07-02 | ||
| 713-949 | 2 | Richmond-Rosenberg | TX | 321J HD CARRIER LLC | 560 | 2026-03-27 | ||
| 713-949 | 3 | Richmond-Rosenberg | TX | 321J HD CARRIER LLC | 560 | 2026-03-27 | ||
| 713-949 | 4 | Richmond-Rosenberg | TX | 321J HD CARRIER LLC | 560 | 2026-03-27 | ||
| 832-408 | 3 | Houston | TX | 321J HD CARRIER LLC | 560 | 2025-07-19 |
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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