Local Calling Guide

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

NXX: 288

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-288 A Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
857-288 0 Boston MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2008-07-18   
857-288 1 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-05-13   
857-288 2 Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2009-10-25   
857-288 3 Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2009-10-25   
857-288 4 Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2009-10-25   
857-288 5 Boston MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2023-01-11   
857-288 6 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-11-10   
857-288 7 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-11-10   
857-288 8 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-11-19   
857-288 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-07-18   

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

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