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: BLTMMDCH40Z

<< 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 40 41 42 43 44 45 46 47 48 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-501 7 Arbutus MD 5562 METROPCS, INC. 238   2013-06-14   
410-501 8 Arbutus MD 5562 METROPCS, INC. 238   2013-06-14   
410-501 9 Arbutus MD 5562 METROPCS, INC. 238   2013-06-14   
410-517 4 Reisterstown MD 5562 METROPCS, INC. 238   2006-07-09   
410-517 9 Reisterstown MD 5562 METROPCS, INC. 238   2006-05-01   
410-522 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-15   
410-528 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-15   
410-537 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-558 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-564 3 Elkridge MD 5562 METROPCS, INC. 238   2011-10-24   
410-564 4 Elkridge MD 5562 METROPCS, INC. 238   2007-07-09   
410-564 6 Elkridge MD 5562 METROPCS, INC. 238   2007-07-09   
410-564 7 Elkridge MD 5562 METROPCS, INC. 238   2007-07-09   
410-564 8 Elkridge MD 5562 METROPCS, INC. 238   2007-07-09   
410-564 9 Elkridge MD 5562 METROPCS, INC. 238   2006-07-27   
410-565 2 Arbutus MD 5562 METROPCS, INC. 238   2013-08-12   
410-567 3 Elkridge MD 5562 METROPCS, INC. 238   2011-09-19   
410-567 6 Elkridge MD 5562 METROPCS, INC. 238   2011-09-19   
410-588 6 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-06-10   
410-588 7 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-06-10   
410-588 9 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-19   
410-620 8 Elkton MD 5562 METROPCS, INC. 238   2016-03-06   
410-622 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-622 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-622 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-622 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-622 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-622 6 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-622 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-622 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-622 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-27   
410-637 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-649 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-660 A Elkridge MD 5562 METROPCS, INC. 238      
410-660 0 Elkridge MD 5562 METROPCS, INC. 238   2008-09-12   
410-660 1 Elkridge MD 5562 METROPCS, INC. 238   2008-09-12   
410-660 3 Elkridge MD 5562 METROPCS, INC. 238   2009-11-14   
410-660 5 Elkridge MD 5562 METROPCS, INC. 238   2006-12-22   
410-660 6 Elkridge MD 5562 METROPCS, INC. 238   2006-12-22   
410-660 7 Elkridge MD 5562 METROPCS, INC. 238   2006-12-22   
410-660 8 Elkridge MD 5562 METROPCS, INC. 238   2009-11-14   
410-660 9 Elkridge MD 5562 METROPCS, INC. 238   2006-09-21   
410-662 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-10-02   
410-670 1 Edgewood MD 5562 METROPCS, INC. 238   2020-01-24   
410-670 6 Edgewood MD 5562 METROPCS, INC. 238   2020-04-13   
410-671 1 Edgewood MD 5562 METROPCS, INC. 238   2020-08-21   
410-671 8 Edgewood MD 5562 METROPCS, INC. 238   2020-01-05   
410-684 9 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-08-15   
410-689 5 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-06-16   
410-689 8 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-11-15   

<< 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 40 41 42 43 44 45 46 47 48 >>

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.