Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 945 [Rate centres in NPA 945] [Dial plan for NPA 945]

NXX: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-422 A Rockwall TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2026-02-08   
945-422 0 Rockwall TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2026-02-08   
945-422 2 Rockwall TX DLLSTX97X6X  145J TERRA NOVA TELECOM INC. 552   2026-02-09   
945-422 3 Rockwall TX   903C ONVOY, LLC - TX 552   2026-08-30   
945-422 7 Rockwall TX   073H TELNYX LLC 552   2026-08-30   
945-422 9 Rockwall TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2026-07-11   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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