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: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-770 A Buda TX AUSTTXGR46Z  158H INVOXIO INCORPORATED 558      
737-770 0 Buda TX AUSTTXGR46Z  158H INVOXIO INCORPORATED 558   2018-08-24   
737-770 1 Buda TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2020-02-17   
737-770 2 Buda TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2021-06-08   
737-770 3 Buda TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-08-15   
737-770 4 Buda TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-08-15   
737-770 5 Buda TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-08-15   
737-770 6 Buda TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2020-06-01   
737-770 7 Buda TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2019-05-26   
737-770 9 Buda TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2018-08-25   

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

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