Local Calling Guide

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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
857-524 A South Boston MA   4536 XO MASSACHUSETTS, INC. 128      
857-524 0 South Boston MA   4536 XO MASSACHUSETTS, INC. 128      
857-524 1 South Boston MA   3370 CTC COMMUNICATIONS CORP. - MA 128   2001-09-11   
857-524 2 South Boston MA   892D ONVOY, LLC - MA 128   2014-12-30   
857-524 3 South Boston MA   892D ONVOY, LLC - MA 128   2014-12-30   
857-524 4 South Boston MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-01-30   
857-524 5 South Boston MA   4536 XO MASSACHUSETTS, INC. 128      
857-524 8 South Boston MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2019-03-06   
857-524 9 South Boston MA   892D ONVOY, LLC - MA 128   2018-09-08   

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

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