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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-587 A Iowa Park TX WCFLTXNIX7Y  883K AHOI LLC 548   2026-01-08   
940-587 7 Iowa Park TX   824J OPENTACT INC. 548   2026-10-16   
940-587 8 Iowa Park TX   883K AHOI LLC 548   2026-01-08   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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