Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-770 A Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558      
512-770 0 Austin TX   5562 METROPCS, INC. 558   2015-01-09   
512-770 1 Austin TX   793K TWC IP ENABLED SERVICES, LLC 558   2016-11-03   
512-770 2 Austin TX   5562 METROPCS, INC. 558   2015-01-09   
512-770 3 Austin TX   5562 METROPCS, INC. 558   2015-01-09   
512-770 4 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-02-02   
512-770 5 Austin TX   5562 METROPCS, INC. 558   2015-01-09   
512-770 6 Austin TX   516C AT&T CORP. 558   2015-01-27   
512-770 7 Austin TX   5562 METROPCS, INC. 558   2015-01-09   
512-770 8 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-02-02   
512-770 9 Austin TX   903C ONVOY, LLC - TX 558   2015-04-06   

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

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