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: CMBRMAMQDS0

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
339-230 A Sharon MA 4536 XO MASSACHUSETS, INC. 128      
339-309 7 Kingston MA 4536 XO MASSACHUSETS, INC. 128   2006-04-30   
339-440 8 Lynn MA 4536 XO MASSACHUSETS, INC. 128   2005-07-30   
339-440 9 Lynn MA 4536 XO MASSACHUSETS, INC. 128   2005-07-30   
339-469 0 Rockland MA 4536 XO MASSACHUSETS, INC. 128   2005-08-14   
339-469 8 Rockland MA 4536 XO MASSACHUSETS, INC. 128   2004-10-25   
339-469 9 Rockland MA 4536 XO MASSACHUSETS, INC. 128   2002-02-22   
339-883 9 Lynn MA 4536 XO MASSACHUSETS, INC. 128   2001-12-17   
508-207 9 New Bedford MA 4536 XO MASSACHUSETS, INC. 128   2004-05-02   
508-251 3 Marlboro MA 4536 XO MASSACHUSETS, INC. 128   2006-10-27   
508-251 4 Marlboro MA 4536 XO MASSACHUSETS, INC. 128   2008-02-18   
508-276 0 Wayland MA 4536 XO MASSACHUSETS, INC. 128   2005-07-30   
508-306 5 Holliston MA 4536 XO MASSACHUSETS, INC. 128   2006-05-19   
508-310 A Natick MA 4536 XO MASSACHUSETS, INC. 128      
508-310 0 Natick MA 4536 XO MASSACHUSETS, INC. 128      
508-310 1 Natick MA 4536 XO MASSACHUSETS, INC. 128      
508-310 7 Natick MA 4536 XO MASSACHUSETS, INC. 128      
508-310 9 Natick MA 4536 XO MASSACHUSETS, INC. 128      
508-313 1 Brockton MA 4536 XO MASSACHUSETS, INC. 128   2004-11-07   
508-313 5 Brockton MA 4536 XO MASSACHUSETS, INC. 128   2004-11-07   
508-318 A Natick MA 4536 XO MASSACHUSETS, INC. 128      
508-318 0 Natick MA 4536 XO MASSACHUSETS, INC. 128      
508-318 2 Natick MA 4536 XO MASSACHUSETS, INC. 128      
508-401 A Wayland MA 4536 XO MASSACHUSETS, INC. 128      
508-401 2 Wayland MA 4536 XO MASSACHUSETS, INC. 128   2002-07-26   
508-408 8 Brockton MA 4536 XO MASSACHUSETS, INC. 128   2006-10-27   
508-418 1 Hyannis MA 4536 XO MASSACHUSETS, INC. 128   2002-09-30   
508-458 A Milford MA 4536 XO MASSACHUSETS, INC. 128      
508-458 0 Milford MA 4536 XO MASSACHUSETS, INC. 128      
508-458 1 Milford MA 4536 XO MASSACHUSETS, INC. 128      
508-458 2 Milford MA 4536 XO MASSACHUSETS, INC. 128      
508-458 4 Milford MA 4536 XO MASSACHUSETS, INC. 128   2005-07-30   
508-463 A Attleboro MA 4536 XO MASSACHUSETS, INC. 128      
508-463 0 Attleboro MA 4536 XO MASSACHUSETS, INC. 128      
508-463 1 Attleboro MA 4536 XO MASSACHUSETS, INC. 128      
508-463 2 Attleboro MA 4536 XO MASSACHUSETS, INC. 128      
508-484 A Brockton MA 4536 XO MASSACHUSETS, INC. 128      
508-484 0 Brockton MA 4536 XO MASSACHUSETS, INC. 128      
508-484 1 Brockton MA 4536 XO MASSACHUSETS, INC. 128      
508-484 2 Brockton MA 4536 XO MASSACHUSETS, INC. 128      
508-484 4 Brockton MA 4536 XO MASSACHUSETS, INC. 128      
508-484 6 Brockton MA 4536 XO MASSACHUSETS, INC. 128      
508-484 7 Brockton MA 4536 XO MASSACHUSETS, INC. 128      
508-484 9 Brockton MA 4536 XO MASSACHUSETS, INC. 128      
508-521 8 Brockton MA 4536 XO MASSACHUSETS, INC. 128   2014-02-18   
508-536 0 Fall River MA 4536 XO MASSACHUSETS, INC. 128   2003-06-06   
508-589 A Hopkinton MA 4536 XO MASSACHUSETS, INC. 128      
508-589 0 Hopkinton MA 4536 XO MASSACHUSETS, INC. 128      
508-589 2 Hopkinton MA 4536 XO MASSACHUSETS, INC. 128      
508-597 A Marlboro MA 4536 XO MASSACHUSETS, INC. 128      

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.