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: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-331 A Dale/Lytton Springs TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-331 0 Dale/Lytton Springs TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2022-11-04   
737-331 1 Dale/Lytton Springs TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2022-12-21   
737-331 8 Dale/Lytton Springs TX AUSTTXGR42Z  073H TELNYX LLC 558   2023-10-15   

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

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