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: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-337 A Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-05-17   
945-337 0 Dallas TX   903C ONVOY, LLC - TX 552   2024-05-17   
945-337 1 Dallas TX   903C ONVOY, LLC - TX 552   2024-05-17   
945-337 2 Dallas TX   903C ONVOY, LLC - TX 552   2024-05-17   
945-337 3 Dallas TX   490J DISH WIRELESS, LLC 552   2024-05-18   
945-337 4 Dallas TX   490J DISH WIRELESS, LLC 552   2024-07-10   
945-337 5 Dallas TX   490J DISH WIRELESS, LLC 552   2024-06-14   
945-337 6 Dallas TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2024-05-18   
945-337 7 Dallas TX   903C ONVOY, LLC - TX 552   2024-06-29   
945-337 8 Dallas TX   903C ONVOY, LLC - TX 552   2024-05-18   
945-337 9 Dallas TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2024-07-12   

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

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