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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-303 A Dallas TX DLLSTXRIXRZ  839J EON TELECOM, INC. 552      
945-303 0 Dallas TX   903C ONVOY, LLC - TX 552   2023-11-13   
945-303 1 Dallas TX   839J EON TELECOM, INC. 552   2023-10-20   
945-303 2 Dallas TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-12-30   
945-303 3 Dallas TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-12-30   
945-303 4 Dallas TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-12-30   
945-303 5 Dallas TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2023-12-30   
945-303 6 Dallas TX   478J NUSO, LLC 552   2023-11-25   
945-303 7 Dallas TX   478J NUSO, LLC 552   2023-11-25   
945-303 8 Dallas TX   903C ONVOY, LLC - TX 552   2023-11-13   
945-303 9 Dallas TX   903C ONVOY, LLC - TX 552   2023-11-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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