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: 375

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-375 A Rockdale TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-375 0 Rockdale TX   624H ONVOY SPECTRUM, LLC 558   2021-11-26   
737-375 1 Rockdale TX   624H ONVOY SPECTRUM, LLC 558   2021-11-26   
737-375 2 Rockdale TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-09-08   
737-375 3 Rockdale TX   624H ONVOY SPECTRUM, LLC 558   2021-08-01   
737-375 5 Rockdale TX   073H TELNYX LLC 558   2022-09-11   
737-375 6 Rockdale TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2022-07-11   
737-375 7 Rockdale TX   939H COMMIO, LLC 558   2021-11-18   
737-375 8 Rockdale TX   939H COMMIO, LLC 558   2021-11-18   
737-375 9 Rockdale TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2021-08-02   

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

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