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: 357

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-357 A Lockhart TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-357 0 Lockhart TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-26   
737-357 1 Lockhart TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-11-26   
737-357 2 Lockhart TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-04-11   
737-357 3 Lockhart TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-08-01   
737-357 4 Lockhart TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2022-11-09   
737-357 5 Lockhart TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2023-07-03   
737-357 6 Lockhart TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-01-20   
737-357 7 Lockhart TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2024-04-19   
737-357 8 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-04-04   
737-357 9 Lockhart TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2022-04-02   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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