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
857-217 A Dorchester MA   6664 SPRINT SPECTRUM L.P. 128      
857-217 0 Dorchester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-217 1 Dorchester MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
857-217 2 Dorchester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-217 3 Dorchester MA   3370 CTC COMMUNICATIONS CORP. - MA 128   2002-05-11   
857-217 4 Dorchester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-217 5 Dorchester MA   6664 SPRINT SPECTRUM L.P. 128   2011-12-05   
857-217 6 Dorchester MA   6664 SPRINT SPECTRUM L.P. 128   2011-12-05   
857-217 7 Dorchester MA   6664 SPRINT SPECTRUM L.P. 128   2011-12-05   
857-217 8 Dorchester MA   6664 SPRINT SPECTRUM L.P. 128   2011-12-05   
857-217 9 Dorchester MA   6664 SPRINT SPECTRUM L.P. 128   2011-12-05   

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

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