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: 564

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-564 A Walnut Springs TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      
254-564 0 Walnut Springs TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-12-13   
254-564 6 Walnut Springs TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-06-20   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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