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
857-410 A Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-410 0 Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-10-13   
857-410 1 Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-10-13   
857-410 2 Charlestown MA   073H TELNYX LLC 128   2017-04-20   
857-410 3 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-11-08   
857-410 4 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-11-08   
857-410 5 Charlestown MA   966C DSCI, LLC 128   2017-04-14   
857-410 6 Charlestown MA   892D ONVOY, LLC - MA 128   2019-02-23   
857-410 7 Charlestown MA   7575 CENTURYLINK COMMUNICATIONS LLC 128   2018-02-16   
857-410 8 Charlestown MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2016-10-14   
857-410 9 Charlestown MA   892D ONVOY, LLC - MA 128   2019-02-23   

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

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