Local Calling Guide

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

NXX: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-643 A Herndon VA HRNDVADUDS1  9213 VERIZON VIRGINIA, INC. 236      
571-643 0 Herndon VA HRNDVADUDS1  9213 VERIZON VIRGINIA, INC. 236      
571-643 1 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2003-09-03   
571-643 2 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2003-09-03   
571-643 3 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2003-09-03   
571-643 4 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2003-09-03   
571-643 5 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2003-09-03   
571-643 6 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2003-08-09   
571-643 7 Herndon VA HRNDVADUDS1  9213 VERIZON VIRGINIA, INC. 236      
571-643 8 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2003-09-03   
571-643 9 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2003-09-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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