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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
667-445 9 Catonsville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-23   
667-446 A Elkridge MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-446 0 Elkridge MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-10-17   
667-446 1 Elkridge MD   876D ONVOY, LLC - MD 238   2023-08-10   
667-446 2 Elkridge MD   876D ONVOY, LLC - MD 238   2023-08-10   
667-446 3 Elkridge MD   876D ONVOY, LLC - MD 238   2023-08-10   
667-446 4 Elkridge MD   876D ONVOY, LLC - MD 238   2023-08-10   
667-446 5 Elkridge MD   876D ONVOY, LLC - MD 238   2023-08-10   
667-446 6 Elkridge MD   516J TON80 COMMUNICATIONS, LLC 238   2022-05-04   
667-446 7 Elkridge MD   876D ONVOY, LLC - MD 238   2024-03-09   
667-446 8 Elkridge MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-09-21   
667-446 9 Elkridge MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-06-13   
667-447 A Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-447 0 Columbia MD   490J DISH WIRELESS, LLC 238   2024-09-22   
667-447 1 Columbia MD   876D ONVOY, LLC - MD 238   2025-09-06   
667-447 2 Columbia MD   876D ONVOY, LLC - MD 238   2024-12-01   
667-447 3 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-23   
667-447 4 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-09-08   
667-447 5 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-23   
667-447 6 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-21   
667-447 7 Columbia MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-10-07   
667-447 8 Columbia MD   490J DISH WIRELESS, LLC 238   2025-01-22   
667-447 9 Columbia MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-10-07   
667-448 A Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-448 0 Reisterstown MD   876D ONVOY, LLC - MD 238   2024-11-04   
667-448 1 Reisterstown MD   876D ONVOY, LLC - MD 238   2025-07-20   
667-448 5 Reisterstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-01-07   
667-448 6 Reisterstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-09-25   
667-448 7 Reisterstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-06-13   
667-448 8 Reisterstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-03-18   
667-448 9 Reisterstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-10-29   
667-449 A Preston MD SLBRMD901MD  939H COMMIO, LLC 242      
667-449 0 Preston MD   939H COMMIO, LLC 242   2023-11-04   
667-449 1 Preston MD   939H COMMIO, LLC 242   2023-11-04   
667-449 2 Preston MD   939H COMMIO, LLC 242   2023-11-04   
667-449 3 Preston MD   939H COMMIO, LLC 242   2023-11-04   
667-449 4 Preston MD   939H COMMIO, LLC 242   2023-11-04   
667-450 A Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
667-450 0 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 1 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 2 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 3 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 4 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 5 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 6 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 7 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 8 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 9 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-451 A Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-451 0 Fork MD   876D ONVOY, LLC - MD 238   2024-04-19   
667-451 1 Fork MD   876D ONVOY, LLC - MD 238   2025-07-20   
667-451 7 Fork MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2024-06-20   
667-451 8 Fork MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-01-12   
667-451 9 Fork MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-11-13   
667-452 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-452 0 Catonsville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-12-08   
667-452 3 Catonsville MD   876D ONVOY, LLC - MD 238   2024-02-26   
667-452 4 Catonsville MD   876D ONVOY, LLC - MD 238   2024-02-26   
667-452 5 Catonsville MD   876D ONVOY, LLC - MD 238   2024-02-26   
667-452 6 Catonsville MD   876D ONVOY, LLC - MD 238   2024-02-26   
667-452 7 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-10-29   
667-452 8 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-10-29   
667-452 9 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-10-29   
667-453 A Prince Frederick MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-453 0 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2023-11-15   
667-453 1 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2024-01-11   
667-453 2 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2024-01-11   
667-453 3 Prince Frederick MD   876D ONVOY, LLC - MD 238   2024-03-01   
667-453 4 Prince Frederick MD   876D ONVOY, LLC - MD 238   2024-03-01   
667-453 5 Prince Frederick MD   876D ONVOY, LLC - MD 238   2024-03-01   
667-453 6 Prince Frederick MD   876D ONVOY, LLC - MD 238   2024-04-05   
667-453 7 Prince Frederick MD   876D ONVOY, LLC - MD 238   2024-04-05   
667-453 8 Prince Frederick MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-12-04   
667-453 9 Prince Frederick MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-11-04   
667-454 A Bel Air MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238      
667-454 0 Bel Air MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2023-12-09   
667-454 1 Bel Air MD   876D ONVOY, LLC - MD 238   2024-02-29   
667-454 2 Bel Air MD   197D VONAGE AMERICA LLC 238   2023-12-08   
667-454 3 Bel Air MD   876D ONVOY, LLC - MD 238   2024-02-29   
667-454 4 Bel Air MD   876D ONVOY, LLC - MD 238   2024-02-29   
667-454 5 Bel Air MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2024-02-23   
667-454 6 Bel Air MD   939H COMMIO, LLC 238   2023-12-28   
667-454 7 Bel Air MD   939H COMMIO, LLC 238   2023-12-28   
667-454 8 Bel Air MD   939H COMMIO, LLC 238   2023-12-28   
667-454 9 Bel Air MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-12-15   
667-455 A Edgewood MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2024-01-15   
667-455 0 Edgewood MD   876D ONVOY, LLC - MD 238   2024-02-26   
667-455 1 Edgewood MD   876D ONVOY, LLC - MD 238   2024-02-26   
667-455 2 Edgewood MD   876D ONVOY, LLC - MD 238   2024-02-26   
667-455 3 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-04-25   
667-455 4 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-06-13   
667-455 5 Edgewood MD   197D VONAGE AMERICA LLC 238   2024-01-15   
667-455 6 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-07-31   
667-455 7 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-09-21   
667-455 8 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-09-21   
667-456 A Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-01-08   
667-456 0 Dundalk MD   939H COMMIO, LLC 238   2024-01-09   
667-456 1 Dundalk MD   939H COMMIO, LLC 238   2024-01-09   
667-456 2 Dundalk MD   939H COMMIO, LLC 238   2024-01-09   
667-456 3 Dundalk MD   939H COMMIO, LLC 238   2024-01-09   

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

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