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
667-876 7 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-876 8 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-876 9 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-877 A Pikesville MD BLTMMDSNFMD  939H COMMIO, LLC 238      
667-877 0 Pikesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-19   
667-877 1 Pikesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-19   
667-877 2 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 3 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 4 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 5 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 6 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 7 Pikesville MD BLTMMDSNFMD  939H COMMIO, LLC 238   2022-11-18   
667-877 8 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 9 Pikesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-19   
667-887 A Worthington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-887 1 Worthington MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-887 2 Worthington MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-887 6 Worthington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-22   
667-887 7 Worthington MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-888 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-888 0 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-888 1 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-888 2 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-888 3 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-888 4 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-888 5 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-888 6 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-888 7 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-888 8 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-26   
667-888 9 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-890 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-890 0 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 1 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 2 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 3 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 4 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 5 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 6 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 7 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 8 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-890 9 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-891 0 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 1 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 2 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 3 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 4 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 5 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 6 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 7 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 8 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-891 9 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-892 0 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 1 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 2 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 3 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 4 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 5 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 6 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 7 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 8 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-892 9 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-893 0 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 1 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 2 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 3 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 4 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 5 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 6 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 7 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 8 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-893 9 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-894 0 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 1 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 2 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 3 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 4 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 5 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 6 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 7 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 8 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-894 9 Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2023-07-29   
667-895 A Baltimore MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238      
667-895 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-09-06   
667-895 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-09-03   
667-895 2 Baltimore MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-12   
667-895 3 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2021-03-19   
667-895 4 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2021-03-19   
667-895 5 Baltimore MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2021-07-12   
667-895 6 Baltimore MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2020-12-14   
667-895 7 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2021-09-23   
667-895 8 Baltimore MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238   2020-12-13   
667-895 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-09-03   
667-897 A Chesapeake City MD SLBRMDSBX2Y  506J TWILIO INTERNATIONAL, INC. 242      
667-897 7 Chesapeake City MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2022-10-16   
667-897 8 Chesapeake City MD SLBRMDSBX2Y  506J TWILIO INTERNATIONAL, INC. 242   2022-05-29   
667-899 A Baltimore MD BLTQMD01AMD  965H FRACTEL, LLC 238      

<< 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.