Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 513

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-513 A Glen Rose TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
254-513 0 Glen Rose TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-12-13   
254-513 1 Glen Rose TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-04-05   
254-513 2 Glen Rose TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2023-09-16   
254-513 3 Glen Rose TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-03-08   
254-513 8 Glen Rose TX   903C ONVOY, LLC - TX 552   2026-06-13   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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