Local Calling Guide

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Red Oak EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
469-552 A RDOKTXHORS0  9533 SOUTHWESTERN BELL 552      
469-552 0 RDOKTXHORS0  9533 SOUTHWESTERN BELL 552      
469-552 1 FRBRTXBLGTA  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2013-06-13   
469-552 2 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-06-15   
469-552 3 FRBRTXBLGTA  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2013-11-12   
469-552 4 FRBRTXBLGTA  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2014-09-12   
469-552 5 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-10-11   
469-552 6 RCSNTXHVBMD  516C AT&T CORP. 552   2009-10-28   
469-552 7 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-08-02   
469-552 8 FRBRTXBLGTA  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2014-02-13   
469-552 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-10-11   
972-617 A RDOKTXHORS0  9533 SOUTHWESTERN BELL 552      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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