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: 703

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-703 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-703 0 Austin TX   5562 METROPCS, INC. 558   2014-06-15   
737-703 1 Austin TX   903C ONVOY, LLC - TX 558   2014-03-02   
737-703 2 Austin TX   5562 METROPCS, INC. 558   2014-06-15   
737-703 3 Austin TX   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2014-06-03   
737-703 4 Austin TX   5562 METROPCS, INC. 558   2014-06-15   
737-703 5 Austin TX   516C AT&T CORP. 558   2014-04-03   
737-703 6 Austin TX   5562 METROPCS, INC. 558   2014-06-15   
737-703 7 Austin TX   5562 METROPCS, INC. 558   2014-06-15   
737-703 8 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-07-13   
737-703 9 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-07-13   

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

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