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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-493 0 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-01-15   
667-493 1 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-09-28   
667-493 2 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-04-06   
667-493 3 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2026-01-10   
667-493 4 Annapolis MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2025-05-09   
667-493 5 Annapolis MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-25   
667-493 6 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-12-31   
667-493 7 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2026-08-31   
667-493 8 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-10-06   
667-493 9 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-11-25   
667-494 A Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-12-26   
667-494 0 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-02-24   
667-494 1 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-31   
667-494 2 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-31   
667-494 3 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-31   
667-494 4 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-03-31   
667-494 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-05-09   
667-494 6 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-05-09   
667-494 7 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-05-09   
667-494 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-05-09   
667-494 9 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-12-26   
667-495 A Baltimore MD BLTQMD01GMD  616J LEAP TELECOM, LLC 238   2024-12-28   
667-495 0 Baltimore MD BLTQMD01GMD  616J LEAP TELECOM, LLC 238   2024-12-28   
667-495 1 Baltimore MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
667-495 2 Baltimore MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
667-495 3 Baltimore MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
667-495 4 Baltimore MD BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2025-01-31   
667-495 5 Baltimore MD BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2025-02-24   
667-495 6 Baltimore MD BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2025-03-24   
667-495 7 Baltimore MD BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2025-04-28   
667-495 8 Baltimore MD BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2025-05-26   
667-495 9 Baltimore MD BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2025-06-23   
667-496 A Salisbury MD SLBRMD90EMD  616J LEAP TELECOM, LLC 242   2025-01-02   
667-496 0 Salisbury MD SLBRMD90EMD  616J LEAP TELECOM, LLC 242   2025-01-02   
667-497 A Ocean City MD SLBRMDSBX8Y  7421 AT&T - LOCAL 242   2024-12-23   
667-497 0 Ocean City MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2025-05-10   
667-497 1 Ocean City MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2025-06-13   
667-497 2 Ocean City MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2025-07-31   
667-497 3 Ocean City MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2026-07-31   
667-497 9 Ocean City MD SLBRMDSBX8Y  7421 AT&T - LOCAL 242   2024-12-23   
667-498 A Arbutus MD BLTMMDCH57Z  7421 AT&T - LOCAL 238   2025-01-17   
667-498 1 Arbutus MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2026-05-30   
667-498 8 Arbutus MD   876D ONVOY, LLC - MD 238   2026-09-05   
667-498 9 Arbutus MD BLTMMDCH57Z  7421 AT&T - LOCAL 238   2025-01-17   
667-499 A Pikesville MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-16   
667-499 0 Pikesville MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-03-01   
667-499 1 Pikesville MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-03-01   
667-499 2 Pikesville MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-03-01   
667-499 3 Pikesville MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-16   
667-499 4 Pikesville MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-16   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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