Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-447 7 Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-10-07   
667-447 8 Columbia MD BLTQMD019MD  490J DISH WIRELESS, LLC 238   2025-01-22   
667-447 9 Columbia MD BLTMMDCH40Z  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 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-11-04   
667-448 8 Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-03-18   
667-448 9 Reisterstown MD CLMAMDORGT0  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 SLBRMD901MD  939H COMMIO, LLC 242   2023-11-04   
667-449 1 Preston MD SLBRMD901MD  939H COMMIO, LLC 242   2023-11-04   
667-449 2 Preston MD SLBRMD901MD  939H COMMIO, LLC 242   2023-11-04   
667-449 3 Preston MD SLBRMD901MD  939H COMMIO, LLC 242   2023-11-04   
667-449 4 Preston MD SLBRMD901MD  939H COMMIO, LLC 242   2023-11-04   
667-449 9 Preston MD   145J TERRA NOVA TELECOM INC. 242   2023-11-13   
667-450 A Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
667-450 0 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 1 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 2 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 3 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 4 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 6 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 7 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 9 Aberdeen MD BLTMMDCH40Z  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 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-19   
667-451 7 Fork MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2024-06-20   
667-451 8 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-01-12   
667-451 9 Fork MD CLMAMDORGT0  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 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-12-08   
667-452 3 Catonsville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-452 4 Catonsville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-452 5 Catonsville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-452 6 Catonsville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-452 7 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-10-29   
667-452 8 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-10-29   
667-452 9 Catonsville MD CLMAMDORGT0  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 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2023-11-15   
667-453 1 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2024-01-11   
667-453 2 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2024-01-11   
667-453 3 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-01   
667-453 4 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-01   
667-453 5 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-01   
667-453 6 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-05   
667-453 7 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-05   
667-453 8 Prince Frederick MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-12-04   
667-453 9 Prince Frederick MD BLTMMDCH40Z  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 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2023-12-09   
667-454 1 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-29   
667-454 2 Bel Air MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2023-12-08   
667-454 3 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-29   
667-454 4 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-29   
667-454 5 Bel Air MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2024-02-23   
667-454 6 Bel Air MD BLTQMD013MD  939H COMMIO, LLC 238   2023-12-28   
667-454 7 Bel Air MD BLTQMD013MD  939H COMMIO, LLC 238   2023-12-28   
667-454 8 Bel Air MD BLTQMD013MD  939H COMMIO, LLC 238   2023-12-28   
667-454 9 Bel Air MD CLMAMDORGT0  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 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-455 1 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-455 2 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-26   
667-455 5 Edgewood MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2024-01-15   
667-456 A Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-01-08   
667-456 0 Dundalk MD BLTQMD013MD  939H COMMIO, LLC 238   2024-01-09   
667-456 1 Dundalk MD BLTQMD013MD  939H COMMIO, LLC 238   2024-01-09   
667-456 2 Dundalk MD BLTQMD013MD  939H COMMIO, LLC 238   2024-01-09   
667-456 3 Dundalk MD BLTQMD013MD  939H COMMIO, LLC 238   2024-01-09   
667-456 4 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-12-02   
667-456 5 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-12-02   
667-456 6 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-12-02   
667-456 7 Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-01   
667-456 8 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-10-21   
667-456 9 Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-01-08   
667-457 A Church Hill MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-457 0 Church Hill MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-457 1 Church Hill MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-457 2 Church Hill MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-457 3 Church Hill MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-457 4 Church Hill MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-458 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
667-458 0 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-08-05   
667-458 1 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-06-27   
667-458 2 Annapolis MD   515J IP HORIZON LLC 238   2016-10-14   
667-458 3 Annapolis MD   515J IP HORIZON LLC 238   2016-10-14   
667-458 4 Annapolis MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
667-458 5 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-01-19   
667-458 6 Annapolis MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2019-03-04   
667-458 7 Annapolis MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2016-08-26   
667-458 8 Annapolis MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-05-25   
667-458 9 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-07-09   
667-459 A Oxford MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-459 0 Oxford MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-459 1 Oxford MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-459 2 Oxford MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-459 3 Oxford MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   
667-459 4 Oxford MD SLBRMD901MD  939H COMMIO, LLC 242   2024-01-25   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.