Local Calling Guide

Area code/prefix search

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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 402

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-402 A East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-402 0 East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
857-402 1 East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
857-402 2 East Boston MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2015-12-31   
857-402 3 East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
857-402 4 East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
857-402 5 East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
857-402 6 East Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2015-05-15   
857-402 7 East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
857-402 8 East Boston MA   515J IP HORIZON LLC 128   2015-03-26   
857-402 9 East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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