Local Calling Guide

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

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-378 A Boston MA BSTNMABEDS9  9102 VERIZON NEW ENGLAND INC. 128      
857-378 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-03-06   
857-378 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-03-06   
857-378 2 Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2017-03-22   
857-378 3 Boston MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2023-08-06   
857-378 4 Boston MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2017-04-10   
857-378 5 Boston MA BSTNMABEDS9  9102 VERIZON NEW ENGLAND INC. 128   2017-03-03   
857-378 6 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-03-06   
857-378 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-03-06   
857-378 8 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-03-06   
857-378 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-03-06   

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

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