Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-990 A Dahlgren VA   506J TWILIO INTERNATIONAL INC 246      
540-990 1 Dahlgren VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2020-07-10   
540-990 2 Dahlgren VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2020-07-10   
540-990 3 Dahlgren VA BEREVA01HMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2021-04-02   
540-990 4 Dahlgren VA   506J TWILIO INTERNATIONAL INC 246   2022-04-10   
540-990 5 Dahlgren VA CLPPVA940MD  5562 METROPCS, INC. 246   2021-09-23   
540-990 8 Dahlgren VA   624H ONVOY SPECTRUM, LLC 246   2021-12-02   
540-990 9 Dahlgren VA   624H ONVOY SPECTRUM, LLC 246   2021-12-02   

Last updated: Tue, 15 Nov 2022 00:10:00 UTC

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