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: NRTNMAAACM4

<< 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 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
978-590 8 Lawrence MA 5562 METROPCS, INC. 128      
978-590 9 Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-596 4 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-16   
978-596 5 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-16   
978-596 6 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-16   
978-596 7 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-16   
978-596 8 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-16   
978-600 3 Billerica MA 5562 METROPCS, INC. 128   2022-04-28   
978-601 A Lawrence MA 5562 METROPCS, INC. 128      
978-601 0 Lawrence MA 5562 METROPCS, INC. 128   2008-12-15   
978-601 1 Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-03-31   
978-601 2 Lawrence MA 5562 METROPCS, INC. 128   2009-06-08   
978-601 3 Lawrence MA 5562 METROPCS, INC. 128   2009-06-08   
978-601 4 Lawrence MA 5562 METROPCS, INC. 128   2009-06-08   
978-601 5 Lawrence MA 5562 METROPCS, INC. 128   2009-06-08   
978-601 6 Lawrence MA 5562 METROPCS, INC. 128   2009-06-08   
978-601 7 Lawrence MA 5562 METROPCS, INC. 128   2009-06-08   
978-601 8 Lawrence MA 5562 METROPCS, INC. 128   2009-06-08   
978-601 9 Lawrence MA 5562 METROPCS, INC. 128   2009-06-08   
978-605 0 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-08-18   
978-605 3 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-08-18   
978-605 6 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-09-23   
978-605 8 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-11   
978-605 9 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-03-23   
978-606 1 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-21   
978-606 3 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-06-16   
978-606 4 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-05-18   
978-606 5 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-05-18   
978-606 6 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-04-07   
978-606 7 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-09-07   
978-606 8 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-28   
978-606 9 Lowell MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-12-28   
978-608 1 Billerica MA 5562 METROPCS, INC. 128   2017-12-10   
978-608 3 Billerica MA 5562 METROPCS, INC. 128   2017-10-22   
978-608 6 Billerica MA 5562 METROPCS, INC. 128   2017-02-19   
978-608 7 Billerica MA 5562 METROPCS, INC. 128   2017-03-18   
978-608 9 Billerica MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
978-620 6 Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-12   
978-620 7 Lawrence MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-12   
978-624 0 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-05-07   
978-624 5 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-09-23   
978-624 6 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-09-23   
978-624 8 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-11   
978-624 9 Danvers MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-05-07   
978-631 5 Acton MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-09-19   
978-631 6 Acton MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2016-02-06   
978-631 7 Acton MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2016-02-06   
978-631 9 Acton MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-09-04   
978-635 2 Acton MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2016-06-17   
978-635 6 Acton MA 6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2016-02-06   

<< 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 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.