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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-310 A Wimberley TX AUSTTXGR61Z  321J HD CARRIER LLC 558      
737-310 0 Wimberley TX   073H TELNYX LLC 558   2021-12-27   
737-310 1 Wimberley TX   624H ONVOY SPECTRUM, LLC 558   2021-12-27   
737-310 2 Wimberley TX   624H ONVOY SPECTRUM, LLC 558   2021-12-27   
737-310 3 Wimberley TX   903C ONVOY, LLC - TX 558   2022-01-01   
737-310 4 Wimberley TX   903C ONVOY, LLC - TX 558   2022-01-01   
737-310 5 Wimberley TX   490J DISH WIRELESS, LLC 558   2022-04-01   
737-310 6 Wimberley TX   903C ONVOY, LLC - TX 558   2023-04-06   
737-310 7 Wimberley TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2022-04-02   
737-310 8 Wimberley TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2022-01-09   
737-310 9 Wimberley TX   321J HD CARRIER LLC 558   2021-12-26   

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

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