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: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-304 A Austin TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-304 0 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-12-02   
737-304 1 Austin TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-14   
737-304 2 Austin TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-14   
737-304 3 Austin TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-14   
737-304 4 Austin TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-14   
737-304 5 Austin TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-14   
737-304 6 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-12-02   
737-304 7 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-12-02   
737-304 8 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2021-12-02   
737-304 9 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2022-12-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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