Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-575 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-575 0 Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-575 1 Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-575 2 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-24   
617-575 3 Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-575 4 Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-575 5 Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-575 6 Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-575 7 Cambridge MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2008-07-30   
617-575 8 Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-575 9 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

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

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