Local Calling Guide

Area code/prefix search

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

NXX: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
703-579 A Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-579 0 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-579 1 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-579 2 Herndon VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-03-01   
703-579 3 Herndon VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-03-01   
703-579 4 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-579 5 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-579 6 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-579 7 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2004-08-06   
703-579 8 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-579 9 Herndon VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2025-01-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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