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: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-639 A Valley View East TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      
940-639 7 Valley View East TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2022-03-31   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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