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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
339-900 A Marshfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
339-900 0 Marshfield MA   892D ONVOY, LLC - MA 128   2015-08-23   
339-900 1 Marshfield MA   515J IP HORIZON LLC 128   2015-10-18   
339-900 2 Marshfield MA   892D ONVOY, LLC - MA 128   2016-04-07   
339-900 3 Marshfield MA   892D ONVOY, LLC - MA 128   2016-04-07   
339-900 4 Marshfield MA   073H TELNYX LLC 128   2017-04-28   
339-900 5 Marshfield MA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2017-04-16   
339-900 6 Marshfield MA   892D ONVOY, LLC - MA 128   2019-02-08   
339-900 7 Marshfield MA   892D ONVOY, LLC - MA 128   2019-02-08   
339-900 8 Marshfield MA   892D ONVOY, LLC - MA 128   2016-03-28   
339-900 9 Marshfield MA   892D ONVOY, LLC - MA 128   2016-03-28   

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

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