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: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-665 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-665 0 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-665 1 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-665 2 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-665 3 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-665 4 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-665 5 Cambridge MA   318J COMCAST IP PHONE LLC 128   2016-12-10   
617-665 6 Cambridge MA   073H TELNYX LLC 128   2017-03-10   
617-665 7 Cambridge MA   892D ONVOY, LLC - MA 128   2019-12-06   
617-665 9 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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