Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-380 A Charlestown MA BSTNMACODS6  8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
617-380 0 Charlestown MA   8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
617-380 2 Charlestown MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-380 3 Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2020-04-02   
617-380 4 Charlestown MA   892D ONVOY, LLC - MA 128   2020-03-25   
617-380 5 Charlestown MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-380 6 Charlestown MA   892D ONVOY, LLC - MA 128   2020-03-25   
617-380 7 Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-03   
617-380 8 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2013-05-20   
617-380 9 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2014-11-08   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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