Local Calling Guide

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

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
703-423 A Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
703-423 0 Dulles VA WASHDC127MD  073H TELNYX LLC 236   2017-04-28   
703-423 1 Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-04-17   
703-423 2 Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-04-17   
703-423 3 Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-04-17   
703-423 4 Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-04-17   
703-423 5 Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-04-17   
703-423 6 Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-04-17   
703-423 7 Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-04-17   
703-423 8 Dulles VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-04-17   
703-423 9 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2017-05-20   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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