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: CATNMAAKPS0

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
978-747 0 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-747 1 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-747 2 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-747 8 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-22   
978-748 3 Tyngsboro MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-04-29   
978-748 5 Tyngsboro MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-11-17   
978-757 9 Ayer MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-08-01   
978-763 A Hudson MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-763 2 Hudson MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-15   
978-763 3 Hudson MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-09-15   
978-763 9 Hudson MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-773 4 Andover MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-10-22   
978-780 3 Athol MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2011-11-15   
978-792 3 Amesbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2012-03-15   
978-797 3 Rockport MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2018-02-27   
978-798 3 Leominster MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-04-03   
978-813 2 Shirley MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2016-12-09   
978-816 A Beverly MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-816 0 Beverly MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-816 1 Beverly MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-816 7 Beverly MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-04-21   
978-816 9 Beverly MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-817 A Peabody MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-817 1 Peabody MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-817 3 Peabody MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-817 9 Peabody MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-822 4 Shirley MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-08-03   
978-824 A Andover MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-824 0 Andover MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-824 1 Andover MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-824 2 Andover MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-824 3 Andover MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-824 6 Andover MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-824 7 Andover MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-30   
978-832 A Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-832 0 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-832 1 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-832 2 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-832 4 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-832 7 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-832 9 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-842 8 Groton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2013-05-01   
978-847 5 Leominster MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2016-07-08   
978-848 A Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 0 Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 2 Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 3 Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 5 Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 6 Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-848 9 Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

<< 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 >>

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.