Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-999 5 Washington Zone 17 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-12-09   
571-999 6 Washington Zone 17 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2015-07-27   
571-999 7 Washington Zone 17 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2015-07-27   
571-999 8 Washington Zone 17 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2015-04-20   
571-999 9 Washington Zone 17 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2015-04-20   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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