Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-452 A Charlestown MA   6664 SPRINT SPECTRUM L.P. 128      
857-452 0 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-04-12   
857-452 1 Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-08-25   
857-452 2 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-06-16   
857-452 3 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
857-452 4 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
857-452 5 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
857-452 6 Charlestown MA   6664 SPRINT SPECTRUM L.P. 128      
857-452 7 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-04-12   
857-452 8 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-09-16   
857-452 9 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-04-12   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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