Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-717 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-717 0 Austin TX   903C ONVOY, LLC - TX 558   2016-03-03   
737-717 1 Austin TX   5562 METROPCS, INC. 558   2016-03-23   
737-717 2 Austin TX   5562 METROPCS, INC. 558   2016-03-23   
737-717 3 Austin TX   793K TWC IP ENABLED SERVICES, LLC 558   2016-04-18   
737-717 4 Austin TX   793K TWC IP ENABLED SERVICES, LLC 558   2016-04-18   
737-717 5 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-05-02   
737-717 6 Austin TX   829J PAETEC ITEL, LLC 558   2016-04-08   
737-717 7 Austin TX   5562 METROPCS, INC. 558   2016-03-23   
737-717 8 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-05-02   
737-717 9 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-05-02   

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

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