Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-578 A Throckmorton TX SYMRTXXA0MD  0132 AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 548      
940-578 1 Throckmorton TX SYMRTXXA0MD  0132 AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 548   2019-07-20   
940-578 2 Throckmorton TX WCFLTXFG4MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 548   2023-04-02   
940-578 6 Throckmorton TX WCFLTXESX5Y  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 548   2022-03-03   

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

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