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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-565 A Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-565 7 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2006-02-13   
240-565 8 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2007-01-15   
240-565 9 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2006-02-13   
240-571 1 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2022-01-01   
240-571 6 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2022-01-01   
240-593 A Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-593 0 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-593 1 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-593 2 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-593 3 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-593 4 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-593 5 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2003-07-06   
240-593 6 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-593 7 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2003-07-06   
240-593 8 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2004-04-25   
240-593 9 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
240-653 1 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2021-10-10   
240-708 0 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2013-07-22   
240-708 1 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-05-30   
240-708 2 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-05-30   
240-708 3 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-11-08   
240-708 5 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-11-08   
240-708 6 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-10-10   
240-708 9 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-03-23   
240-755 1 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2007-08-03   
240-755 2 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2007-11-04   
240-755 3 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-01-12   
240-755 4 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-04-13   
240-755 5 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-04-21   
240-755 6 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-06-16   
301-532 A Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
301-532 3 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2016-07-14   
301-532 5 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2017-02-04   
301-532 6 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2016-12-09   
301-532 7 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2015-11-27   
301-532 8 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2015-11-27   
301-532 9 Laurel (Baltimore LATA) MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2015-04-20   
410-212 A Annapolis MD 6664 SPRINT SPECTRUM, L.P. 238      
410-220 A Elkridge MD 6664 SPRINT SPECTRUM, L.P. 238      
410-220 7 Elkridge MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-28   
410-220 9 Elkridge MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-28   
410-240 A Baltimore MD 6664 SPRINT SPECTRUM, L.P. 238      
410-240 0 Baltimore MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-20   
410-240 1 Baltimore MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-20   
410-240 2 Baltimore MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-20   
410-240 3 Baltimore MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-20   
410-240 4 Baltimore MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-20   
410-240 5 Baltimore MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-20   
410-240 6 Baltimore MD 6664 SPRINT SPECTRUM, L.P. 238   2011-11-20   

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 >>

Last updated: Sat, 03 Sep 2022 02:15:35 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.