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: 363

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-363 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2024-01-11   
737-363 0 Austin TX   903C ONVOY, LLC - TX 558   2024-09-08   
737-363 1 Austin TX   903C ONVOY, LLC - TX 558   2024-09-08   
737-363 2 Austin TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2024-09-08   
737-363 3 Austin TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2024-09-08   
737-363 4 Austin TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2024-09-08   
737-363 5 Austin TX   6529 T-MOBILE USA, INC. 558   2024-01-11   
737-363 6 Austin TX   6529 T-MOBILE USA, INC. 558   2024-01-11   
737-363 7 Austin TX   6529 T-MOBILE USA, INC. 558   2024-01-11   
737-363 8 Austin TX   6529 T-MOBILE USA, INC. 558   2024-01-11   
737-363 9 Austin TX   6529 T-MOBILE USA, INC. 558   2024-01-11   

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

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