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.

Switch: BLTMMDCH45Z

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-687 9 Baltimore MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-692 7 Baltimore MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-693 7 Perryville MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-698 8 Odenton MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-699 1 Annapolis MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-13   
443-709 8 Arbutus MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-09-08   
443-712 7 Reisterstown MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-04   
443-712 8 Reisterstown MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-714 6 Annapolis MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-13   
443-716 7 Annapolis MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-08-10   
443-718 0 Columbia MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-19   
443-718 9 Columbia MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-720 0 Aberdeen MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-06-22   
443-720 6 Aberdeen MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2018-07-19   
443-731 6 Port Deposit MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-732 0 Silver Run MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-732 2 Silver Run MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-08   
443-732 5 Silver Run MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-23   
443-738 4 Pikesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-09-01   
443-738 5 Pikesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-09-01   
443-741 1 Columbia MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
443-741 2 Columbia MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-20   
443-747 1 Port Deposit MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-18   
443-770 2 Armiger-Gibson Island MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-770 3 Armiger-Gibson Island MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-773 2 Brooklyn Park-Linthicum MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-14   
443-774 0 Columbia MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-04-27   
443-774 1 Columbia MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-04-27   
443-776 A Elkridge MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-776 0 Elkridge MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-17   
443-776 1 Elkridge MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-17   
443-776 8 Elkridge MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-04   
443-781 4 Armiger-Gibson Island MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-04-20   
443-782 5 Annapolis MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-06-08   
443-788 1 Aberdeen MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2018-10-20   
443-788 4 Aberdeen MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-03-30   
443-792 9 Brooklyn Park-Linthicum MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-03-21   
443-805 6 Glen Burnie MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-807 5 Fallston MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-808 A Annapolis MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-808 0 Annapolis MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-05   
443-808 1 Annapolis MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-05   
443-814 9 Baltimore MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-12-23   
443-818 9 Armiger-Gibson Island MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-819 0 Bel Air MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-05   
443-821 0 Westminster MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-821 7 Westminster MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-826 9 Baltimore MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-12-23   
443-832 3 Columbia MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-08-15   
443-833 0 Arbutus MD 071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-04-19   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.