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: 443

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-443 A Lewisville TX   903C ONVOY, LLC - TX 552   2026-10-10   
945-443 0 Lewisville TX   903C ONVOY, LLC - TX 552   2026-10-10   
945-443 1 Lewisville TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2026-10-12   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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