Local Calling Guide

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NPA: 703 [Rate centres in NPA 703] [Dial plan for NPA 703]

NXX: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
703-570 A Dulles Metro VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
703-570 0 Dulles Metro VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
703-570 1 Dulles Metro VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2019-02-18   
703-570 2 Dulles Metro VA   145J TERRA NOVA TELECOM INC. 236   2024-02-14   
703-570 3 Dulles Metro VA ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2010-08-29   
703-570 4 Dulles Metro VA WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-09-01   
703-570 5 Dulles Metro VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2014-07-14   
703-570 6 Dulles Metro VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2014-09-13   
703-570 7 Dulles Metro VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-11-09   
703-570 8 Dulles Metro VA ARTNVAARDS2  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2013-05-05   
703-570 9 Dulles Metro VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2025-10-05   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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