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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-257 A Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244      
540-257 0 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2002-08-17   
540-257 1 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2002-12-09   
540-257 2 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2015-02-14   
540-257 3 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2003-07-05   
540-257 4 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2003-07-05   
540-257 5 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2003-07-05   
540-257 6 Christiansburg VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244   2014-09-06   
540-257 7 Christiansburg VA RONKVALKEMD  508J CENTURYLINK COMMUNICATIONS, LLC 244   2014-07-31   
540-257 8 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2003-07-05   
540-257 9 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2003-07-05   

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

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