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: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-428 A Plano TX   903C ONVOY, LLC - TX 552   2026-04-11   
945-428 0 Plano TX   903C ONVOY, LLC - TX 552   2026-04-11   
945-428 1 Plano TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2026-05-02   
945-428 2 Plano TX   903C ONVOY, LLC - TX 552   2026-05-03   
945-428 3 Plano TX   903C ONVOY, LLC - TX 552   2026-05-03   
945-428 4 Plano TX   903C ONVOY, LLC - TX 552   2026-05-03   
945-428 5 Plano TX   903C ONVOY, LLC - TX 552   2026-05-03   
945-428 7 Plano TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2026-05-02   
945-428 8 Plano TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2026-05-02   
945-428 9 Plano TX   903C ONVOY, LLC - TX 552   2026-04-13   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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