Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
703-817 7 Herndon VA 624H ONVOY SPECTRUM, LLC 236   2021-11-11   
703-818 4 Washington Zone 19 VA 624H ONVOY SPECTRUM, LLC 236   2022-04-21   
703-892 9 Washington Zone 8 VA 624H ONVOY SPECTRUM, LLC 236   2021-11-11   
703-920 9 Washington Zone 8 VA 624H ONVOY SPECTRUM, LLC 236   2022-01-08   
703-921 8 Washington Zone 8 VA 624H ONVOY SPECTRUM, LLC 236   2022-01-08   
703-972 3 Dulles Metro VA 624H ONVOY SPECTRUM, LLC 236   2021-11-07   
703-972 9 Dulles Metro VA 624H ONVOY SPECTRUM, LLC 236   2021-11-07   
771-200 1 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-04   
771-200 2 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-04   
771-232 2 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 3 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 4 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 5 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 6 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 7 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-717 A Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236      
771-717 0 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 1 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 2 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 3 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 4 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 5 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 6 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 7 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 8 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   
771-717 9 Washington Zone 1 DC 624H ONVOY SPECTRUM, LLC 236   2022-03-10   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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