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: BLTMMDFMDS0

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-423 A Columbia MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-427 A Towson MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 A Fork MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 0 Fork MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 1 Fork MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-513 A Parkville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-513 0 Parkville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-513 1 Parkville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-513 2 Parkville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-513 3 Parkville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-559 A Pikesville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-559 0 Pikesville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-559 2 Pikesville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-559 3 Pikesville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-559 5 Pikesville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-559 8 Pikesville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 A Elkridge MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 0 Elkridge MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 2 Elkridge MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 5 Elkridge MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-565 5 Arbutus MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2007-10-22   
410-568 A Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 0 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 1 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 2 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 3 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 4 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 6 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 A Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 0 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 1 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 2 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 3 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 4 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 5 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 6 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 7 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 8 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-682 0 Essex MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-682 1 Essex MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 A Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 0 Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 1 Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 2 Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 3 Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 4 Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 6 Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 7 Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-741 8 West River MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
410-773 1 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-773 2 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-773 5 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-773 6 Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-776 A Bel Air MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-776 2 Bel Air MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-776 6 Bel Air MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-818 A Catonsville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-818 1 Catonsville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-818 2 Catonsville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-818 5 Catonsville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-843 A Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-849 1 Sherwood Forest MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
410-918 6 Essex MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-951 A Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-972 A Annapolis MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-972 0 Annapolis MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-972 2 Annapolis MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-972 3 Annapolis MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-972 4 Annapolis MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-267 A Darlington MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-267 0 Darlington MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-272 A Randallstown MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-272 3 Randallstown MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-292 1 Crofton MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-295 2 Prince Frederick MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-297 A Arbutus MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-297 3 Arbutus MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-301 0 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2013-10-01   
443-301 1 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2013-10-01   
443-343 A Millersville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-343 9 Millersville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 A Woodlawn MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 1 Woodlawn MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 2 Woodlawn MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 4 Woodlawn MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-360 A Aberdeen MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 236      
443-360 9 Aberdeen MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 236      
443-376 A Dundalk MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-376 0 Dundalk MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-392 A Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-392 9 Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-402 A Edgewood MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-402 2 Edgewood MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2002-11-18   
443-402 9 Edgewood MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-404 2 Solomons MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-406 A Elkton MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-406 9 Elkton MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-412 A Churchville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-412 2 Churchville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2008-08-24   
443-412 3 Churchville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2008-09-02   

1 2 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.