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: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
339-999 A Woburn MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
339-999 0 Woburn MA   892D ONVOY, LLC - MA 128   2016-02-01   
339-999 1 Woburn MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-11-06   
339-999 2 Woburn MA   318J COMCAST IP PHONE, LLC 128   2015-12-02   
339-999 3 Woburn MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-09-10   
339-999 4 Woburn MA   892D ONVOY, LLC - MA 128   2016-03-07   
339-999 5 Woburn MA   892D ONVOY, LLC - MA 128   2016-03-07   
339-999 6 Woburn MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-07-08   
339-999 7 Woburn MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2017-03-17   
339-999 8 Woburn MA   892D ONVOY, LLC - MA 128   2016-03-09   
339-999 9 Woburn MA   892D ONVOY, LLC - MA 128   2014-09-25   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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