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.

Ashton, MD

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-579 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-04-20   
240-579 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-04-16   
240-579 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-04-16   
240-579 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-03-12   
240-579 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-03-12   
240-596 A CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-596 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-596 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-596 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-596 3 WASHDC125MD  197D VONAGE AMERICA LLC 236   2020-05-21   
240-596 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-02-23   
240-596 5 WASHDC125MD  197D VONAGE AMERICA LLC 236   2020-05-21   
240-596 6 ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-596 7 ARTNVAARXJY  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-596 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-12-07   
240-596 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-12-07   
240-659 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-659 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-07-09   
240-659 1 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-02-27   
240-659 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-659 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-09-20   
240-659 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-09-20   
240-659 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-09-20   
240-659 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-659 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-659 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-03-30   
240-659 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-03-30   
240-703 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-703 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-08   
240-703 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-08   
240-703 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-08   
240-703 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-08   
240-703 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-08   
240-703 5 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-703 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-703 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-703 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-703 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-10   
240-722 A   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-722 1 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-11-25   
240-722 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-06-19   
240-722 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-03-06   
240-722 6 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2014-08-21   
240-722 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
240-722 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
240-722 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-06-19   
240-729 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-729 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-23   
240-729 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-23   
240-729 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-03-06   
240-729 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-10-25   
240-729 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-10-25   
240-729 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-10-25   
240-729 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-03-06   
240-729 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-03-06   
240-729 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-07-31   
240-729 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-07-31   
240-733 A ARTNVAARXBY  965H FRACTEL, LLC 236      
240-733 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
240-733 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
240-733 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
240-733 3 ARTNVAARXBY  965H FRACTEL, LLC 236   2020-09-12   
240-733 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-12-11   
240-733 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-07-08   
240-733 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-07-08   
240-733 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-07-08   
240-733 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
240-733 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
240-779 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-779 0   829J PAETEC ITEL, LLC 236      
240-779 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-27   
240-779 2   829J PAETEC ITEL, LLC 236      
240-779 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-27   
240-779 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-27   
240-779 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-07-22   
240-779 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-07-22   
240-779 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-03-23   
240-779 8   829J PAETEC ITEL, LLC 236      
240-779 9   829J PAETEC ITEL, LLC 236      
240-797 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-797 0 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-25   
240-797 1 VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-10-10   
240-797 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-10-10   
240-797 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-10-09   
240-797 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-10-09   
240-797 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-10-09   
240-797 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-10-09   
240-797 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-10-09   
240-797 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-10-09   
240-797 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-10-09   
240-817 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-817 0 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-13   
240-817 1 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-13   
240-817 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   
240-817 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   
240-817 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-10-23   
240-817 5   515J IP HORIZON LLC 236   2016-05-31   
240-817 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-03-12   
240-817 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-03-12   
240-817 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-11-28   

<< 1 2 3 4 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.