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
857-626 A Belmont MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
857-626 0 Belmont MA   892D ONVOY, LLC - MA 128   2016-03-09   
857-626 1 Belmont MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
857-626 2 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-626 3 Belmont MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2013-11-19   
857-626 4 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-626 5 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-626 6 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-626 7 Belmont MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2015-06-12   
857-626 8 Belmont MA   892D ONVOY, LLC - MA 128   2016-02-04   
857-626 9 Belmont MA   892D ONVOY, LLC - MA 128   2016-02-01   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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