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.

NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-952 A Charlestown MA CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-952 0 Charlestown MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2015-10-07   
617-952 1 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-07-22   
617-952 2 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-06-16   
617-952 3 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-06-16   
617-952 4 Charlestown MA   966G LOCAL ACCESS LLC - MA 128   2002-06-16   
617-952 5 Charlestown MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2012-05-07   
617-952 6 Charlestown MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2012-05-07   
617-952 7 Charlestown MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2012-05-07   
617-952 8 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-09-16   
617-952 9 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-09-16   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.