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: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-668 A Catoctin VA HLBOVAHBRSM  9213 VERIZON VIRGINIA, INC. 246      
540-668 0 Catoctin VA CLPPVA94DS0  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 246   2020-07-01   
540-668 1 Catoctin VA CLPPVA94ZMD  073H TELNYX LLC 246   2017-09-13   
540-668 2 Catoctin VA   5832 CORETEL VIRGINIA, LLC - VA 246   2018-06-14   
540-668 4 Catoctin VA   5832 CORETEL VIRGINIA, LLC - VA 246   2018-06-14   
540-668 5 Catoctin VA LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246   2008-03-19   
540-668 6 Catoctin VA HLBOVAHBRSM  9213 VERIZON VIRGINIA, INC. 246      
540-668 7 Catoctin VA HLBOVAHBRSM  9213 VERIZON VIRGINIA, INC. 246      
540-668 8 Catoctin VA FRBGVAFBX7X  4725 CAVALIER TELEPHONE, LLC - VA 246   2011-04-17   
540-668 9 Catoctin VA HLBOVAHBRSM  9213 VERIZON VIRGINIA, INC. 246      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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