Local Calling Guide

Area code/prefix search

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

NXX: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-407 A Washington Zone 19 VA ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2021-01-26   
571-407 0 Washington Zone 19 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2019-09-26   
571-407 1 Washington Zone 19 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2019-09-26   
571-407 2 Washington Zone 19 VA WASHDC12DS6  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2019-12-31   
571-407 3 Washington Zone 19 VA WASHDC127MD  073H TELNYX LLC 236   2019-01-14   
571-407 4 Washington Zone 19 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-02-02   
571-407 5 Washington Zone 19 VA ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2019-01-16   
571-407 6 Washington Zone 19 VA ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2019-01-16   
571-407 7 Washington Zone 19 VA ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2019-01-15   
571-407 8 Washington Zone 19 VA ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2019-01-15   
571-407 9 Washington Zone 19 VA WASHDC12DS6  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2019-03-12   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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