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
571-691 9 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-27   
571-692 A Washington Zone 17 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 0 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 1 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 2 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 3 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 4 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 5 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 6 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 7 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 8 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-692 9 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-23   
571-693 A Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 0 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 1 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 2 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 3 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 4 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 5 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 6 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 7 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 8 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-693 9 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-14   
571-694 A Washington Zone 17 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 0 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 1 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 2 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 3 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 4 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 5 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 6 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 7 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 8 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-694 9 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-07   
571-695 A Washington Zone 17 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
571-695 0 Washington Zone 17 VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2021-05-06   
571-695 1 Washington Zone 17 VA   5562 METROPCS, INC. 236   2019-10-13   
571-695 2 Washington Zone 17 VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2019-10-04   
571-695 3 Washington Zone 17 VA   073H TELNYX LLC 236   2019-12-05   
571-695 4 Washington Zone 17 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2020-08-06   
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 A Engleside VA VINNVACBAMD  515J IP HORIZON LLC 236   2025-01-23   
571-696 1 Engleside VA   515J IP HORIZON LLC 236   2025-01-23   
571-696 2 Engleside VA   515J IP HORIZON LLC 236   2025-01-23   
571-696 4 Engleside VA   073H TELNYX LLC 236   2025-09-07   
571-696 7 Engleside VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-24   

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

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