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: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-477 A Lockhart TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-477 0 Lockhart TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2020-09-25   
737-477 1 Lockhart TX AUSTTXGR42Z  073H TELNYX LLC 558   2021-06-03   
737-477 2 Lockhart TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-14   
737-477 3 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-477 4 Lockhart TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2024-08-29   
737-477 5 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-11-22   
737-477 6 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-11-22   
737-477 7 Lockhart TX AUSTTXGR51Z  965H FRACTEL, LLC 558   2020-09-05   
737-477 8 Lockhart TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-477 9 Lockhart TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-10-09   

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

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