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NPA: 227 [Rate centres in NPA 227] [Dial plan for NPA 227]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-300 7 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-300 8 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-300 9 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-301 A Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 0 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-06-13   
227-301 1 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-07-13   
227-301 2 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-08-09   
227-301 3 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 4 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 5 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 6 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 7 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 8 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 9 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-302 A Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-06-04   
227-302 0 Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-06-04   
227-302 1 Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-07-28   
227-302 2 Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-08-25   
227-302 3 Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-09-28   
227-302 4 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2026-08-31   
227-302 5 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2026-09-28   
227-302 6 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2026-09-28   
227-302 7 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2026-08-20   
227-302 8 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2026-08-20   
227-302 9 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-07-13   
227-303 A Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-303 0 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-12-19   
227-303 1 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 2 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-01-11   
227-303 3 Washington Zone 10 MD WASHDCSWNMD  321J HD CARRIER LLC 236   2026-01-18   
227-303 4 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 5 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 6 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 7 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 8 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-303 9 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-304 A Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-15   
227-304 0 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 1 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 2 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 3 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 4 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 5 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 6 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-01-15   
227-304 7 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 8 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-15   
227-304 9 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-15   
227-305 A Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-305 0 Washington Zone 10 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-305 1 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 2 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 3 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 4 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 5 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 6 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-09-28   
227-305 7 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-09-28   
227-305 8 Washington Zone 10 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-305 9 Washington Zone 10 MD   876D ONVOY, LLC - MD 236   2026-09-19   
227-306 A Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-08-10   
227-306 0 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-08-10   
227-306 1 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-08-10   
227-306 2 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-08-10   
227-306 3 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-10-16   
227-306 4 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-10-16   
227-306 5 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-10-16   
227-306 6 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-09-03   
227-306 7 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-09-03   
227-306 8 Leonardtown MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-08-11   
227-306 9 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-09-03   
227-307 A Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-09-06   
227-307 0 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2026-09-13   
227-307 1 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2026-09-13   
227-307 2 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2026-09-13   
227-307 3 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2026-09-13   
227-307 4 Washington Zone 2 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-09-11   
227-307 5 Washington Zone 2 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-10-16   
227-307 7 Washington Zone 2 MD   820C INTRADO COMMUNICATIONS, LLC 236   2026-09-27   
227-307 8 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-09-07   
227-307 9 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-09-06   
227-308 A Washington Zone 3 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-308 0 Washington Zone 3 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-308 1 Washington Zone 3 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-308 2 Washington Zone 3 MD   876D ONVOY, LLC - MD 236   2026-09-18   
227-308 3 Washington Zone 3 MD   876D ONVOY, LLC - MD 236   2026-09-18   
227-308 4 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-11-08   
227-308 7 Washington Zone 3 MD   820C INTRADO COMMUNICATIONS, LLC 236   2026-09-27   
227-308 8 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-09-18   
227-308 9 Washington Zone 3 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-10-16   
227-309 A Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-309 0 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-309 1 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2026-09-18   
227-309 2 Washington Zone 13 MD   820C INTRADO COMMUNICATIONS, LLC 236   2026-10-23   
227-309 7 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2026-09-18   
227-309 8 Washington Zone 13 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-09-18   
227-309 9 Washington Zone 13 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-09-18   
227-310 A Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-310 0 Washington Zone 10 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-310 1 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-09-28   
227-310 2 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-09-28   
227-310 3 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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