Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 339 [Rate centres in NPA 339] [Dial plan for NPA 339]

NXX: 645

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
339-645 A Woburn MA WNCHMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
339-645 0 Woburn MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
339-645 1 Woburn MA   9102 VERIZON NEW ENGLAND INC. 128      
339-645 2 Woburn MA   9102 VERIZON NEW ENGLAND INC. 128      
339-645 3 Woburn MA   9102 VERIZON NEW ENGLAND INC. 128      
339-645 4 Woburn MA   316E YMAX COMMUNICATIONS CORP. - MA 128   2008-05-24   
339-645 5 Woburn MA   316E YMAX COMMUNICATIONS CORP. - MA 128   2009-08-21   
339-645 6 Woburn MA   9102 VERIZON NEW ENGLAND INC. 128      
339-645 7 Woburn MA   892D ONVOY, LLC - MA 128   2010-03-15   
339-645 8 Woburn MA   9102 VERIZON NEW ENGLAND INC. 128      
339-645 9 Woburn MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-21   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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