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
202-982 A Washington Zone 1 DC 515J IP HORIZON LLC 236      
202-982 0 Washington Zone 1 DC 515J IP HORIZON LLC 236   2021-06-06   
540-930 2 Stafford VA 515J IP HORIZON LLC 236   2024-12-26   
571-288 0 Dale City VA 515J IP HORIZON LLC 236   2021-08-21   
571-374 9 Independent Hill VA 515J IP HORIZON LLC 236   2024-12-26   
571-394 5 Triangle VA 515J IP HORIZON LLC 236   2024-12-28   
571-394 6 Triangle VA 515J IP HORIZON LLC 236   2024-12-28   
571-462 0 Occoquan VA 515J IP HORIZON LLC 236   2021-08-21   
571-491 3 Dulles VA 515J IP HORIZON LLC 236   2024-12-26   
571-507 2 Washington Zone 17 VA 515J IP HORIZON LLC 236   2021-08-21   
571-519 5 Herndon VA 515J IP HORIZON LLC 236   2021-08-21   
571-561 0 Haymarket VA 515J IP HORIZON LLC 236   2021-08-21   
571-573 0 Nokesville VA 515J IP HORIZON LLC 236   2021-08-22   
571-573 6 Nokesville VA 515J IP HORIZON LLC 236   2024-06-29   
571-573 7 Nokesville VA 515J IP HORIZON LLC 236   2024-06-29   
571-600 8 Dulles Metro VA 515J IP HORIZON LLC 236   2024-12-28   
571-600 9 Dulles Metro VA 515J IP HORIZON LLC 236   2024-12-28   
571-615 1 Independent Hill VA 515J IP HORIZON LLC 236   2021-08-22   
571-628 4 Dale City VA 515J IP HORIZON LLC 236   2024-06-29   
571-628 5 Dale City VA 515J IP HORIZON LLC 236   2024-06-29   
571-636 7 Haymarket VA 515J IP HORIZON LLC 236   2024-12-26   
571-636 8 Haymarket VA 515J IP HORIZON LLC 236   2024-12-26   
571-646 1 Engleside VA 515J IP HORIZON LLC 236   2021-08-21   
571-650 4 Arcola VA 515J IP HORIZON LLC 236   2024-06-29   
571-650 8 Arcola VA 515J IP HORIZON LLC 236   2024-06-24   
571-650 9 Arcola VA 515J IP HORIZON LLC 236   2024-06-24   
571-656 2 Triangle VA 515J IP HORIZON LLC 236   2024-06-24   
571-656 3 Triangle VA 515J IP HORIZON LLC 236   2024-06-24   
571-667 1 Lorton VA 515J IP HORIZON LLC 236   2021-08-21   
571-671 8 Engleside VA 515J IP HORIZON LLC 236   2024-06-29   
571-671 9 Engleside VA 515J IP HORIZON LLC 236   2024-06-29   
571-673 7 Occoquan VA 515J IP HORIZON LLC 236   2024-06-24   
571-673 9 Occoquan VA 515J IP HORIZON LLC 236   2024-06-24   
571-674 5 Braddock VA 515J IP HORIZON LLC 236   2024-12-26   
571-674 6 Braddock VA 515J IP HORIZON LLC 236   2024-12-26   
571-674 8 Braddock VA 515J IP HORIZON LLC 236   2024-06-29   
571-674 9 Braddock VA 515J IP HORIZON LLC 236   2024-06-29   
571-676 A Manassas VA 515J IP HORIZON LLC 236   2024-07-22   
571-676 0 Manassas VA 515J IP HORIZON LLC 236   2024-12-28   
571-676 1 Manassas VA 515J IP HORIZON LLC 236   2024-07-22   
571-676 2 Manassas VA 515J IP HORIZON LLC 236   2024-07-22   
571-676 3 Manassas VA 515J IP HORIZON LLC 236   2024-12-28   
571-679 A Washington Zone 17 VA 515J IP HORIZON LLC 236   2024-07-29   
571-679 1 Washington Zone 17 VA 515J IP HORIZON LLC 236   2024-07-29   
571-679 2 Washington Zone 17 VA 515J IP HORIZON LLC 236   2024-07-29   
571-686 0 Braddock VA 515J IP HORIZON LLC 236   2021-08-21   
571-688 6 Independent Hill VA 515J IP HORIZON LLC 236   2024-06-29   
571-688 7 Independent Hill VA 515J IP HORIZON LLC 236   2024-06-29   
571-696 A Engleside VA 515J IP HORIZON LLC 236   2025-01-23   
571-696 1 Engleside VA 515J IP HORIZON LLC 236   2025-01-23   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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