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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
227-293 4 Cumberland MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-294 A Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2025-12-26   
227-294 0 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2025-12-26   
227-294 1 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2025-12-26   
227-294 2 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2025-12-26   
227-294 8 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2026-01-11   
227-294 9 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2026-01-11   
227-295 A Hagerstown MD   700J WAVENATION, LLC 240   2026-01-23   
227-295 0 Hagerstown MD   700J WAVENATION, LLC 240   2026-01-23   
227-295 2 Hagerstown MD   073H TELNYX LLC 240   2026-05-25   
227-295 5 Hagerstown MD   321J HD CARRIER LLC 240   2026-01-26   
227-295 6 Hagerstown MD   321J HD CARRIER LLC 240   2026-01-26   
227-295 7 Hagerstown MD   321J HD CARRIER LLC 240   2026-01-26   
227-296 A Washington Zone 12 MD   876D ONVOY, LLC - MD 236   2026-03-23   
227-296 0 Washington Zone 12 MD   876D ONVOY, LLC - MD 236   2026-03-23   
227-297 A Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 0 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 1 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 2 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 3 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-298 A Washington Zone 10 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-05-01   
227-298 0 Washington Zone 10 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-05-01   
227-298 1 Washington Zone 10 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-05-09   
227-299 A Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2026-04-27   
227-299 9 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2026-04-27   
227-300 A Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-300 0 Ashton MD   876D ONVOY, LLC - MD 236   2026-01-12   
227-300 7 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-300 8 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-300 9 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-301 A Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 3 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 4 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 5 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 6 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 7 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 8 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 9 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-302 A Washington Zone 4 MD   490J BOOST SUBSCRIBERCO L.L.C. 236   2026-06-04   
227-302 0 Washington Zone 4 MD   490J BOOST SUBSCRIBERCO L.L.C. 236   2026-06-04   
227-302 1 Washington Zone 4 MD   490J BOOST SUBSCRIBERCO L.L.C. 236   2026-07-28   
227-302 2 Washington Zone 4 MD   490J BOOST SUBSCRIBERCO L.L.C. 236   2026-08-25   
227-302 3 Washington Zone 4 MD   490J BOOST SUBSCRIBERCO L.L.C. 236   2026-09-28   
227-303 A Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-303 0 Washington Zone 10 MD   876D ONVOY, LLC - MD 236   2025-12-19   
227-303 1 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 2 Washington Zone 10 MD   876D ONVOY, LLC - MD 236   2026-01-11   
227-303 3 Washington Zone 10 MD   321J HD CARRIER LLC 236   2026-01-18   
227-303 4 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 5 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 6 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 7 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 8 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-303 9 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-304 A Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-15   
227-304 0 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 1 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 2 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 3 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 4 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 5 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 6 Washington Zone 10 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-01-15   
227-304 7 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 8 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-15   
227-304 9 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-15   
227-305 A Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-02-20   
227-305 1 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 2 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 3 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 4 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 5 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 9 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-02-20   
227-310 A Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-04-25   
227-310 3 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 4 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 5 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 6 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 7 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 8 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 9 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-04-25   
227-315 A Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-03-06   
227-315 9 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-03-06   
227-333 A Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-333 0 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-17   
227-333 1 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2026-05-08   
227-333 3 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-333 4 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-333 5 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-333 6 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-334 A Keedysville MD FRDRMDFRX2Y  7421 AT&T - LOCAL 240   2024-12-23   
227-334 0 Keedysville MD   876D ONVOY, LLC - MD 240   2025-10-12   
227-334 4 Keedysville MD   145J TERRA NOVA TELECOM INC. 240   2025-02-13   
227-334 9 Keedysville MD FRDRMDFRX2Y  7421 AT&T - LOCAL 240   2024-12-23   
227-338 A Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-04   
227-338 0 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-338 1 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-338 2 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-338 3 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-338 4 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-338 5 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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