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: 973

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-973 A Briggs TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-973 0 Briggs TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-07-05   
737-973 1 Briggs TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-08-16   
737-973 2 Briggs TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-10-30   
737-973 3 Briggs TX   903C ONVOY, LLC - TX 558   2015-10-05   
737-973 4 Briggs TX   903C ONVOY, LLC - TX 558   2020-04-04   
737-973 5 Briggs TX   903C ONVOY, LLC - TX 558   2020-04-04   
737-973 6 Briggs TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-11-16   
737-973 7 Briggs TX   903C ONVOY, LLC - TX 558   2015-10-05   
737-973 8 Briggs TX   073H TELNYX LLC 558   2018-10-19   
737-973 9 Briggs TX   158H INVOXIO INCORPORATED 558   2018-08-05   

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

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