Local Calling Guide

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

NXX: 490

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-490 A Washington Zone 19 VA FRFXVAFFPS0  9213 VERIZON VIRGINIA, INC. 236      
571-490 0 Washington Zone 19 VA WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-06-11   
571-490 1 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-10   
571-490 2 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-10   
571-490 3 Washington Zone 19 VA ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2007-09-20   
571-490 4 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-25   
571-490 5 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-25   
571-490 6 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-25   
571-490 7 Washington Zone 19 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2008-10-05   
571-490 8 Washington Zone 19 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-07-17   
571-490 9 Washington Zone 19 VA FRFXVAFFPS0  9213 VERIZON VIRGINIA, INC. 236   2007-03-25   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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