Local Calling Guide

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

NXX: 910

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-910 A Herndon VA ARTNVAARXIY  566J RADIANTIQ LLC 236      
571-910 0 Herndon VA ARTNVAARXIY  566J RADIANTIQ LLC 236   2021-06-17   
571-910 1 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-07-14   
571-910 2 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-07-14   
571-910 3 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-07-14   
571-910 4 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-07-14   
571-910 5 Herndon VA OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-08-09   
571-910 6 Herndon VA OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-08-09   
571-910 7 Herndon VA OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-08-09   
571-910 8 Herndon VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2021-09-28   
571-910 9 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-01-13   

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

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