Local Calling Guide

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

NXX: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-660 A Triangle VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-660 0 Triangle VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2017-06-02   
571-660 1 Triangle VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2017-04-28   
571-660 2 Triangle VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2017-06-02   
571-660 3 Triangle VA BTVLMD12CM9  5562 METROPCS, INC. 236   2018-04-26   
571-660 4 Triangle VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2018-06-08   
571-660 5 Triangle VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2024-03-01   
571-660 6 Triangle VA WASHDC12KMD  145J TERRA NOVA TELECOM INC. 236   2024-02-14   
571-660 7 Triangle VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2024-03-01   
571-660 8 Triangle VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-02-05   
571-660 9 Triangle VA WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-05-21   

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

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