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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-356 A Blum TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
254-356 0 Blum TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-02-01   
254-356 1 Blum TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-02-01   
254-356 2 Blum TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2019-11-03   
254-356 3 Blum TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-02   
254-356 4 Blum TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-02   
254-356 5 Blum TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-02-12   
254-356 6 Blum TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-07-08   
254-356 7 Blum TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2023-06-23   
254-356 8 Blum TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-07-04   
254-356 9 Blum TX DLLSTX97X5X  965H FRACTEL, LLC 552   2020-07-18   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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