Local Calling Guide

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NPA: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-638 A Cross Plains TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
254-638 1 Cross Plains TX   624H ONVOY SPECTRUM, LLC 552   2021-07-08   
254-638 2 Cross Plains TX   145J TERRA NOVA TELECOM INC. 552   2025-08-11   
254-638 3 Cross Plains TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-08-28   
254-638 4 Cross Plains TX   903C ONVOY, LLC - TX 552   2021-10-23   
254-638 5 Cross Plains TX   903C ONVOY, LLC - TX 552   2021-08-15   
254-638 6 Cross Plains TX   624H ONVOY SPECTRUM, LLC 552   2021-12-02   
254-638 7 Cross Plains TX   516J TON80 COMMUNICATIONS, LLC 552   2021-06-07   
254-638 8 Cross Plains TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2022-11-09   
254-638 9 Cross Plains TX   624H ONVOY SPECTRUM, LLC 552   2021-12-02   

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

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