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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-577 8 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-07-14   
443-579 6 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-07-17   
443-580 A Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-580 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-581 8 Chase MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-07-06   
443-583 6 Columbia MD 5562 METROPCS, INC. 238   2015-05-29   
443-583 9 Columbia MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-11-08   
443-589 4 Cockeysville MD 5562 METROPCS, INC. 238   2013-06-14   
443-590 6 Reisterstown MD 5562 METROPCS, INC. 238   2016-12-14   
443-593 8 Elkton MD 6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 238   2014-02-09   
443-593 9 Elkton MD 6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 238   2014-02-09   
443-596 1 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2020-04-06   
443-597 2 Severna Park MD 5562 METROPCS, INC. 238   2007-01-03   
443-597 3 Severna Park MD 5562 METROPCS, INC. 238   2007-01-03   
443-597 6 Severna Park MD 5562 METROPCS, INC. 238   2007-01-03   
443-597 7 Severna Park MD 5562 METROPCS, INC. 238   2007-01-03   
443-597 8 Severna Park MD 5562 METROPCS, INC. 238   2006-08-14   
443-597 9 Severna Park MD 5562 METROPCS, INC. 238   2005-06-05   
443-599 2 Severn MD 5562 METROPCS, INC. 238   2013-06-14   
443-599 3 Severn MD 5562 METROPCS, INC. 238   2013-06-14   
443-599 5 Severn MD 5562 METROPCS, INC. 238   2020-09-06   
443-599 6 Severn MD 5562 METROPCS, INC. 238   2015-02-01   
443-600 A Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 0 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 1 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 2 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-04-15   
443-600 3 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-08-13   
443-600 4 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-10-09   
443-600 5 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-21   
443-600 6 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 7 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-03-30   
443-600 8 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-05-06   
443-600 9 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-615 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-11-08   
443-615 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-10-22   
443-616 1 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-03-11   
443-616 4 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 5 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 6 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 7 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 8 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 9 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-619 5 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-17   
443-619 6 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-17   
443-621 A Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 6 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-621 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 A Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 6 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-622 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 A Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 0 Glen Burnie MD 5562 METROPCS, INC. 238      
443-623 1 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 2 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 3 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 4 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 5 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 6 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 7 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 8 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-623 9 Glen Burnie MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-626 7 Chase MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-09-22   
443-627 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-02-08   
443-627 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-02-08   
443-627 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-02-08   
443-629 A Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 6 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-629 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.