Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-292 A Frisco EACS TX FRSCTXWERS0  9533 SOUTHWESTERN BELL 552      
972-292 0 Frisco EACS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2019-02-02   
972-292 1 Frisco EACS TX FRSCTXWERS0  9533 SOUTHWESTERN BELL 552      
972-292 2 Frisco EACS TX FRSCTXWERS0  9533 SOUTHWESTERN BELL 552      
972-292 3 Frisco EACS TX FRSCTXWERS0  9533 SOUTHWESTERN BELL 552      
972-292 4 Frisco EACS TX DLLATX58DS1  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 552   2008-09-12   
972-292 5 Frisco EACS TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552   2006-04-07   
972-292 6 Frisco EACS TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552   2006-04-07   
972-292 7 Frisco EACS TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-11-10   
972-292 8 Frisco EACS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
972-292 9 Frisco EACS TX RCSNTXHVBMD  516C AT&T CORP. 552   2009-11-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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