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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-400 A Wichita Falls TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548      
940-400 0 Wichita Falls TX   903C ONVOY, LLC - TX 548   2017-11-26   
940-400 1 Wichita Falls TX   903C ONVOY, LLC - TX 548   2019-05-24   
940-400 2 Wichita Falls TX   903C ONVOY, LLC - TX 548   2011-01-06   
940-400 3 Wichita Falls TX   903C ONVOY, LLC - TX 548   2020-01-27   
940-400 4 Wichita Falls TX   903C ONVOY, LLC - TX 548   2017-11-26   
940-400 5 Wichita Falls TX   6529 T-MOBILE USA, INC. 548   2019-11-10   
940-400 6 Wichita Falls TX   903C ONVOY, LLC - TX 548   2021-02-18   
940-400 7 Wichita Falls TX   903C ONVOY, LLC - TX 548   2021-02-18   
940-400 8 Wichita Falls TX   903C ONVOY, LLC - TX 548   2021-02-18   
940-400 9 Wichita Falls TX   6529 T-MOBILE USA, INC. 548   2014-08-01   

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

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