Local Calling Guide

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NPA: 210 [Rate centres in NPA 210] [Dial plan for NPA 210]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
210-434 9 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 A San Antonio TX SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 0 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 1 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 2 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 3 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 4 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 5 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 6 San Antonio TX   624H ONVOY SPECTRUM, LLC 566   2021-12-19   
210-435 7 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 8 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-435 9 San Antonio TX   004F BANDWIDTH.COM CLEC, LLC - TX 566   2020-12-18   
210-436 A San Antonio TX SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-436 0 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-436 1 San Antonio TX   004F BANDWIDTH.COM CLEC, LLC - TX 566   2020-12-18   
210-436 2 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-436 3 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-436 4 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-436 5 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-436 6 San Antonio TX   004F BANDWIDTH.COM CLEC, LLC - TX 566   2020-12-18   
210-436 7 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-436 8 San Antonio TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2020-12-11   
210-436 9 San Antonio TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2012-12-28   
210-437 A San Antonio TX SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-437 0 San Antonio TX   793K TWC IP ENABLED SERVICES, LLC 566   2004-11-18   
210-437 1 San Antonio TX   793K TWC IP ENABLED SERVICES, LLC 566   2004-08-30   
210-437 2 San Antonio TX   793K TWC IP ENABLED SERVICES, LLC 566   2004-08-30   
210-437 3 San Antonio TX   793K TWC IP ENABLED SERVICES, LLC 566   2004-08-30   
210-437 4 San Antonio TX   793K TWC IP ENABLED SERVICES, LLC 566   2004-08-30   
210-437 5 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-437 6 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-437 7 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-437 8 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-437 9 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-438 A San Antonio TX SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-438 0 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-438 1 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-438 2 San Antonio TX   5562 METROPCS, INC. 566   2006-03-13   
210-438 3 San Antonio TX   5562 METROPCS, INC. 566   2006-03-13   
210-438 4 San Antonio TX   5562 METROPCS, INC. 566   2017-01-08   
210-438 5 San Antonio TX   5562 METROPCS, INC. 566   2017-01-08   
210-438 6 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-438 7 San Antonio TX   5562 METROPCS, INC. 566   2006-03-13   
210-438 8 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-438 9 San Antonio TX   9533 SOUTHWESTERN BELL 566      
210-439 A San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-439 0 San Antonio TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2010-08-25   
210-439 1 San Antonio TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2010-09-24   
210-439 2 San Antonio TX   8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2010-08-24   
210-439 3 San Antonio TX   8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2010-08-24   

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

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