Local Calling Guide
Area code/prefix search
NPA: 350 [Rate centres in NPA 350] [Dial plan for NPA 350]
NXX: 237
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
350-237 | A | Patterson | CA | 624H ONVOY SPECTRUM, LLC | 738 | 2025-02-27 | |||
350-237 | 0 | Patterson | CA | 624H ONVOY SPECTRUM, LLC | 738 | 2025-02-27 | |||
350-237 | 1 | Patterson | CA | 649C ONVOY, LLC - CA | 738 | 2025-05-27 |
Last updated: Sun, 01 Jun 2025 02:18:11 UTC
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