Local Calling Guide

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

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-637 A Mount Calm TX MTCLTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 556      
254-637 0 Mount Calm TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-07-10   
254-637 1 Mount Calm TX WACOTX01XCY  624H ONVOY SPECTRUM, LLC 556   2021-12-04   
254-637 2 Mount Calm TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-10-31   
254-637 3 Mount Calm TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-10-31   
254-637 4 Mount Calm TX WACOTXEY6MD  516J TON80 COMMUNICATIONS, LLC 556   2021-06-10   
254-637 5 Mount Calm TX WACOTX01XCY  624H ONVOY SPECTRUM, LLC 556   2021-07-08   
254-637 7 Mount Calm TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2021-03-15   
254-637 8 Mount Calm TX WACOTX01XDX  004F BANDWIDTH.COM CLEC, LLC - TX 556   2020-03-05   
254-637 9 Mount Calm TX MTCLTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 556   2015-09-07   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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