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: 339 [Rate centres in NPA 339] [Dial plan for NPA 339]

NXX: 970

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
339-970 A Lexington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
339-970 0 Lexington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
339-970 1 Lexington MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-01-21   
339-970 2 Lexington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-27   
339-970 3 Lexington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-27   
339-970 4 Lexington MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-07-17   
339-970 5 Lexington MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-14   
339-970 6 Lexington MA   892D ONVOY, LLC - MA 128   2010-03-15   
339-970 7 Lexington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-05-12   
339-970 8 Lexington MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
339-970 9 Lexington MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-02-09   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.