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
571-508 5 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2018-02-27   
571-508 6 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2018-02-27   
571-565 8 Washington Zone 17 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2016-01-25   
571-622 2 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2022-02-06   
571-630 A Washington Zone 17 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-04-27   
571-630 7 Washington Zone 17 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-04-29   
571-636 6 Haymarket VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 236   2026-04-13   
571-645 7 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2015-10-22   
571-669 6 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2019-02-26   
571-671 6 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-08-09   
571-695 5 Washington Zone 17 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2019-10-05   
571-695 6 Washington Zone 17 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2019-10-05   
571-695 7 Washington Zone 17 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2019-12-02   
571-695 8 Washington Zone 17 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2019-12-02   
571-695 9 Washington Zone 17 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2019-12-02   
571-696 7 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-24   
571-696 8 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-24   
571-714 4 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-24   
571-714 5 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-24   
571-714 6 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-03   
571-714 7 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-03   
571-726 A Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-06-30   
571-728 6 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-08-18   
571-728 7 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-08-18   
571-739 6 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-12-08   
571-746 6 Dulles VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2022-08-01   
571-747 6 Manassas VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2026-04-27   
571-751 8 Arcola VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 236   2023-03-24   
571-757 A Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2026-06-29   
571-757 6 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2026-06-29   
571-786 4 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2020-12-14   
571-801 A Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 0 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 1 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 2 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 3 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 4 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 5 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 6 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 7 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 8 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-801 9 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-802 A Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-802 0 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-802 1 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-802 2 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-802 3 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-802 4 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-802 5 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
571-802 6 Engleside VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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