Local Calling Guide

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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 871

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-871 A Cambridge MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-871 0 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-03-04   
617-871 1 Cambridge MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-12-09   
617-871 2 Cambridge MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-03-17   
617-871 3 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-11-25   
617-871 4 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-11-19   
617-871 5 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-11-19   
617-871 6 Cambridge MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-871 7 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-11-19   
617-871 8 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128   2002-11-19   
617-871 9 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-03-04   

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

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