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: 734

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-734 A Liberty Hill TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-734 0 Liberty Hill TX   515J IP HORIZON LLC 558   2021-06-05   
737-734 1 Liberty Hill TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-734 2 Liberty Hill TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-734 3 Liberty Hill TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-734 4 Liberty Hill TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-734 5 Liberty Hill TX AUSTTXUH9MD  073H TELNYX LLC 558   2022-07-22   
737-734 6 Liberty Hill TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-734 7 Liberty Hill TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2024-12-26   
737-734 8 Liberty Hill TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-08   
737-734 9 Liberty Hill TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2020-11-30   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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