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
667-374 A Waterloo MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-374 0 Waterloo MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-02-05   
667-374 1 Waterloo MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-03-11   
667-374 2 Waterloo MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-04-21   
667-374 3 Waterloo MD   876D ONVOY, LLC - MD 238   2025-02-01   
667-374 5 Waterloo MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2025-02-07   
667-374 6 Waterloo MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238   2022-03-26   
667-374 7 Waterloo MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-09-25   
667-374 8 Waterloo MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-11   
667-374 9 Waterloo MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-11   
667-375 A Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-375 0 Chase MD BLTQMD013MD  939H COMMIO, LLC 238   2022-11-06   
667-375 1 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-22   
667-375 2 Chase MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238   2022-04-01   
667-375 3 Chase MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-04-25   
667-375 4 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-30   
667-375 5 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-30   
667-375 6 Chase MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-10-22   
667-375 7 Chase MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-10-22   
667-375 8 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-375 9 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-376 A Oxford MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-376 0 Oxford MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-376 1 Oxford MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-376 2 Oxford MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-07-12   
667-376 3 Oxford MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242   2022-04-23   
667-376 5 Oxford MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-04   
667-376 6 Oxford MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-04   
667-376 7 Oxford MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-17   
667-377 A Rock Hall MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-377 2 Rock Hall MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-12-20   
667-377 3 Rock Hall MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-377 4 Rock Hall MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-05   
667-377 5 Rock Hall MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-05   
667-377 6 Rock Hall MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-17   
667-377 7 Rock Hall MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-378 A Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-378 0 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-01   
667-378 1 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-01   
667-378 2 Essex MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-378 3 Essex MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238   2022-03-21   
667-378 4 Essex MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-29   
667-378 5 Essex MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-29   
667-378 6 Essex MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-22   
667-378 7 Essex MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-29   
667-378 8 Essex MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-17   
667-378 9 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-379 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-379 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-379 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-380 A Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-380 0 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-01   
667-380 1 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-01   
667-380 2 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-10-31   
667-380 3 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-01   
667-380 4 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-14   
667-380 5 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-14   
667-380 6 Annapolis MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-22   
667-380 7 Annapolis MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-22   
667-380 8 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-14   
667-380 9 Annapolis MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-11-01   
667-381 A Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-381 0 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-06-13   
667-381 1 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-27   
667-381 2 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-27   
667-381 3 Parkville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-26   
667-381 4 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-27   
667-381 5 Parkville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-22   
667-381 6 Parkville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-22   
667-381 7 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-381 8 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-381 9 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-382 A Wingate MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-382 0 Wingate MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-382 1 Wingate MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-382 2 Wingate MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-06-07   
667-382 3 Wingate MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-06-07   
667-382 4 Wingate MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-382 5 Wingate MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-06-07   
667-382 6 Wingate MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-06-07   
667-382 8 Wingate MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-382 9 Wingate MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-383 A Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-383 0 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-03   
667-383 1 Towson MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-20   
667-383 2 Towson MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-20   
667-383 4 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-03   
667-383 5 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-383 6 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-19   
667-383 7 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-10-16   
667-383 8 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-10-16   
667-383 9 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   

<< 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: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.