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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
339-800 A Arlington MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128      
339-800 0 Arlington MA   145J TERRA NOVA TELECOM INC. 128   2019-04-22   
339-800 1 Arlington MA   624H ONVOY SPECTRUM, LLC 128   2021-11-27   
339-800 2 Arlington MA   892D ONVOY, LLC - MA 128   2023-07-09   
339-800 3 Arlington MA   892D ONVOY, LLC - MA 128   2023-08-17   
339-800 4 Arlington MA   197D VONAGE AMERICA LLC 128   2022-07-04   
339-800 5 Arlington MA   892D ONVOY, LLC - MA 128   2024-02-24   
339-800 6 Arlington MA   624H ONVOY SPECTRUM, LLC 128   2022-03-24   
339-800 7 Arlington MA   624H ONVOY SPECTRUM, LLC 128   2022-03-24   
339-800 8 Arlington MA   624H ONVOY SPECTRUM, LLC 128   2021-04-03   
339-800 9 Arlington MA   624H ONVOY SPECTRUM, LLC 128   2021-11-27   

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

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