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: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-556 A Jacksboro TX   6529 T-MOBILE USA, INC. 548   2025-03-15   
940-556 0 Jacksboro TX   515J IP HORIZON LLC 548   2025-05-04   
940-556 1 Jacksboro TX   515J IP HORIZON LLC 548   2025-05-04   
940-556 7 Jacksboro TX   6529 T-MOBILE USA, INC. 548   2025-03-15   
940-556 9 Jacksboro TX   6529 T-MOBILE USA, INC. 548   2025-03-15   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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