Local Calling Guide

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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-250 A Herndon VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-250 0 Herndon VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-06-25   
571-250 1 Herndon VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-11-09   
571-250 2 Herndon VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-11-09   
571-250 3 Herndon VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-11-09   
571-250 4 Herndon VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-11-09   
571-250 5 Herndon VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-06-25   
571-250 6 Herndon VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-06-25   
571-250 7 Herndon VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-06-25   
571-250 8 Herndon VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-07-26   
571-250 9 Herndon VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-08-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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