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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-403 A Wichita Falls TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548   2025-03-09   
940-403 0 Wichita Falls TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548   2025-12-14   
940-403 5 Wichita Falls TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548   2025-03-10   
940-403 8 Wichita Falls TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548   2026-01-10   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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