Local Calling Guide

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Search area code/prefix (NPA/NXX)
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Washington Zone 1, DC

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
771-247 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2025-11-03   
771-247 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2025-11-03   
771-247 2 WASHDC127MD  073H TELNYX LLC 236   2025-01-20   
771-247 3 WASHDC127MD  073H TELNYX LLC 236   2025-01-20   
771-247 4 WASHDC127MD  073H TELNYX LLC 236   2025-01-20   
771-247 5 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-01-20   
771-247 6 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-01-20   
771-247 7 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-01-20   
771-247 8 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-20   
771-247 9 WASHDC127MD  073H TELNYX LLC 236   2025-01-20   
771-248 A CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-30   
771-248 0 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
771-248 1 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
771-248 2 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
771-248 3 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
771-248 4 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
771-248 5 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
771-248 6 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
771-248 7 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-01-09   
771-248 8 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-30   
771-248 9 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-30   
771-249 A OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-10   
771-249 0 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-02-11   
771-249 1 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-02-11   
771-249 2 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-02-11   
771-249 3 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-02-11   
771-249 4 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-02-11   
771-249 6 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2025-02-10   
771-249 8 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-02-11   
771-249 9 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-02-11   
771-250 A WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2025-03-22   
771-250 0 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2025-03-22   
771-250 1 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2025-03-22   
771-250 2 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2025-03-22   
771-250 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-24   
771-250 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-24   
771-250 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-24   
771-250 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-24   
771-250 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-24   
771-250 8 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-10   
771-250 9 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-04   
771-251 A VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 0 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 1 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 2 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 3 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 4 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 5 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 6 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 7 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-04   
771-251 8 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-05   
771-251 9 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-05   
771-252 A CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   
771-252 0 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-12   
771-252 1 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-05-12   
771-252 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2026-01-19   
771-252 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2026-01-19   
771-252 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2026-01-19   
771-252 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2026-01-19   
771-252 6 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   
771-252 7 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   
771-252 8 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   
771-252 9 CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-09   
771-253 A VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 0 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 1 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 2 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 3 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 4 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 5 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 6 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 7 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 8 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-253 9 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-08-16   
771-254 A WASHDC12SMD  700J WAVENATION, LLC 236   2025-09-11   
771-254 0 WASHDC12SMD  700J WAVENATION, LLC 236   2025-09-11   
771-254 1 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-11-07   
771-254 2 WASHDCSWNMD  321J HD CARRIER LLC 236   2025-11-28   
771-254 3 WASHDCSWNMD  321J HD CARRIER LLC 236   2025-11-28   
771-254 4 WASHDC1224Z  490J BOOST SUBSCRIBERCO L.L.C. 236   2025-09-12   
771-254 5 WASHDC1224Z  490J BOOST SUBSCRIBERCO L.L.C. 236   2025-10-27   
771-254 8 WASHDC1224Z  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-02-01   
771-254 9 VINNVACBDS0  850D ONVOY, LLC - DC 236   2025-11-07   
771-255 A VINNVACBAMD  515J IP HORIZON LLC 236   2026-04-16   
771-255 0 VINNVACBAMD  515J IP HORIZON LLC 236   2026-04-16   
771-255 1 VINNVACBAMD  515J IP HORIZON LLC 236   2026-04-16   
771-255 2 VINNVACBAMD  515J IP HORIZON LLC 236   2026-04-16   
771-255 3 VINNVACBAMD  515J IP HORIZON LLC 236   2026-04-16   
771-255 4 VINNVACBAMD  515J IP HORIZON LLC 236   2026-04-16   
771-255 5 VINNVACBAMD  515J IP HORIZON LLC 236   2026-04-16   
771-255 6 VINNVACBAMD  515J IP HORIZON LLC 236   2026-04-16   
771-255 7 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2026-05-02   
771-255 8 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2026-04-17   
771-255 9 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2026-05-02   
771-271 A MCLNVA23DMD  597F VOIP INNOVATIONS, LLC 236   2026-06-13   
771-271 0 MCLNVA23DMD  597F VOIP INNOVATIONS, LLC 236   2026-06-13   
771-271 7   850D ONVOY, LLC - DC 236   2026-08-01   
771-271 8   850D ONVOY, LLC - DC 236   2026-08-01   
771-271 9   850D ONVOY, LLC - DC 236   2026-08-01   
771-324 A VINNVACBDS0  850D ONVOY, LLC - DC 236      

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

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