Local Calling Guide

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Houston, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
713-532 6   9533 SOUTHWESTERN BELL 560      
713-532 7   9533 SOUTHWESTERN BELL 560      
713-532 8   9533 SOUTHWESTERN BELL 560      
713-532 9   903C ONVOY, LLC - TX 560   2021-08-05   
713-533 A HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-533 0   9533 SOUTHWESTERN BELL 560      
713-533 1   9533 SOUTHWESTERN BELL 560      
713-533 2   6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-05   
713-533 3   9533 SOUTHWESTERN BELL 560      
713-533 4   9533 SOUTHWESTERN BELL 560      
713-533 5   9533 SOUTHWESTERN BELL 560      
713-533 6   9533 SOUTHWESTERN BELL 560      
713-533 7   9533 SOUTHWESTERN BELL 560      
713-533 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
713-533 9   9533 SOUTHWESTERN BELL 560      
713-534 A HSTNTXGRDS0  9533 SOUTHWESTERN BELL 560      
713-534 0   9533 SOUTHWESTERN BELL 560      
713-534 1   318J COMCAST IP PHONE, LLC 560   2006-02-24   
713-534 2   6701 AERIAL COMMUNICATIONS, INC. 560   2004-10-03   
713-534 3   6701 AERIAL COMMUNICATIONS, INC. 560   2004-10-03   
713-534 4   6701 AERIAL COMMUNICATIONS, INC. 560   2004-10-28   
713-534 5   6701 AERIAL COMMUNICATIONS, INC. 560   2004-10-28   
713-534 6   9533 SOUTHWESTERN BELL 560      
713-534 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-10-03   
713-534 8   9533 SOUTHWESTERN BELL 560      
713-534 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2018-11-16   
713-535 A HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-535 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-01-05   
713-535 1   9533 SOUTHWESTERN BELL 560      
713-535 2   9533 SOUTHWESTERN BELL 560      
713-535 3   9533 SOUTHWESTERN BELL 560      
713-535 4   9533 SOUTHWESTERN BELL 560      
713-535 5   9533 SOUTHWESTERN BELL 560      
713-535 6   9533 SOUTHWESTERN BELL 560      
713-535 7   9533 SOUTHWESTERN BELL 560      
713-535 8   9533 SOUTHWESTERN BELL 560      
713-535 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-12-07   
713-536 A HSTNTXSUDS0  9533 SOUTHWESTERN BELL 560      
713-537 A HSTNTXCLDS2  9533 SOUTHWESTERN BELL 560      
713-539 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 0   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 1   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 2   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 3   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 4   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 5   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 6   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 7   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 8   6701 AERIAL COMMUNICATIONS, INC. 560      
713-539 9   6701 AERIAL COMMUNICATIONS, INC. 560      
713-540 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-541 A HSTNTXPRDS0  9533 SOUTHWESTERN BELL 560      
713-542 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
713-543 A HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-543 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-05-02   
713-543 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-05-02   
713-543 2   9533 SOUTHWESTERN BELL 560      
713-543 3   9533 SOUTHWESTERN BELL 560      
713-543 4   9533 SOUTHWESTERN BELL 560      
713-543 5   9533 SOUTHWESTERN BELL 560      
713-543 6   9533 SOUTHWESTERN BELL 560      
713-543 7   9533 SOUTHWESTERN BELL 560      
713-543 8   004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-10-29   
713-543 9   9533 SOUTHWESTERN BELL 560      
713-544 A HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-545 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
713-545 0   6701 AERIAL COMMUNICATIONS, INC. 560      
713-545 1   5562 METROPCS, INC. 560      
713-545 2   5562 METROPCS, INC. 560      
713-545 3   5562 METROPCS, INC. 560      
713-545 4   5562 METROPCS, INC. 560      
713-545 5   5562 METROPCS, INC. 560      
713-545 6   5562 METROPCS, INC. 560      
713-545 7   5562 METROPCS, INC. 560      
713-545 8   5562 METROPCS, INC. 560      
713-545 9   6701 AERIAL COMMUNICATIONS, INC. 560      
713-546 A HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-547 A HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-547 0   9533 SOUTHWESTERN BELL 560      
713-547 1   9533 SOUTHWESTERN BELL 560      
713-547 2   9533 SOUTHWESTERN BELL 560      
713-547 3   9533 SOUTHWESTERN BELL 560      
713-547 4   903C ONVOY, LLC - TX 560   2007-01-12   
713-547 5   903C ONVOY, LLC - TX 560   2007-01-12   
713-547 6   9533 SOUTHWESTERN BELL 560      
713-547 7   9533 SOUTHWESTERN BELL 560      
713-547 8   9533 SOUTHWESTERN BELL 560      
713-547 9   9533 SOUTHWESTERN BELL 560      
713-548 A HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-548 0   9533 SOUTHWESTERN BELL 560      
713-548 1   9533 SOUTHWESTERN BELL 560      
713-548 2   9533 SOUTHWESTERN BELL 560      
713-548 3   6701 AERIAL COMMUNICATIONS, INC. 560   2007-05-30   
713-548 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-30   
713-548 5   9533 SOUTHWESTERN BELL 560      
713-548 6   6701 AERIAL COMMUNICATIONS, INC. 560   2007-05-30   
713-548 7   6701 AERIAL COMMUNICATIONS, INC. 560   2005-02-06   
713-548 8   9533 SOUTHWESTERN BELL 560      
713-548 9   9533 SOUTHWESTERN BELL 560      
713-549 A SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      

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

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