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: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
339-502 A Canton MA   829J PAETEC ITEL, LLC 128      
339-502 0 Canton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
339-502 1 Canton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
339-502 2 Canton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-03-25   
339-502 3 Canton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
339-502 4 Canton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-26   
339-502 5 Canton MA   829J PAETEC ITEL, LLC 128   2005-11-06   
339-502 6 Canton MA   829J PAETEC ITEL, LLC 128      
339-502 7 Canton MA   829J PAETEC ITEL, LLC 128   2011-07-23   
339-502 8 Canton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2011-12-23   
339-502 9 Canton MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-07-29   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.