Local Calling Guide

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

NXX: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-383 A Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
857-383 0 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-12-23   
857-383 1 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-03-03   
857-383 2 Boston MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2005-11-30   
857-383 3 Boston MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-11-07   
857-383 4 Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128   2005-12-10   
857-383 5 Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128   2005-12-10   
857-383 6 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-05-01   
857-383 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-05-01   
857-383 8 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-01-02   
857-383 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-01-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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