Local Calling Guide

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NPA: 771 [Rate centres in NPA 771] [Dial plan for NPA 771]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
771-251 A Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2025-05-04   
771-252 A Washington Zone 1 DC   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   
771-253 A Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2025-08-16   
771-254 A Washington Zone 1 DC   700J WAVENATION, LLC 236   2025-09-11   
771-324 A Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236      
771-325 A Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236      
771-326 A Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236      
771-327 A Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236      
771-328 A Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236      
771-333 A Washington Zone 1 DC WASHDCSWFMD  538H WIDE VOICE, LLC - DC 236      
771-444 A Washington Zone 1 DC ARTNVAARXBY  965H FRACTEL, LLC 236      
771-474 A Washington Zone 1 DC OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-04-08   
771-717 A Washington Zone 1 DC WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
771-771 A Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2024-11-22   
771-772 A Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236      
771-777 A Washington Zone 1 DC ARTNVAARXBY  965H FRACTEL, LLC 236      
771-888 A Washington Zone 1 DC WASHDCSWJMD  538H WIDE VOICE, LLC - DC 236      
771-999 A Washington Zone 1 DC ARTNVAARXBY  965H FRACTEL, LLC 236      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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