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: 685

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-685 A Cambridge MA CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-685 0 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2018-06-24   
617-685 1 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-10-01   
617-685 2 Cambridge MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2019-10-27   
617-685 3 Cambridge MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2019-11-01   
617-685 4 Cambridge MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2019-11-01   
617-685 5 Cambridge MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2018-02-22   
617-685 6 Cambridge MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2018-02-22   
617-685 7 Cambridge MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2018-02-22   
617-685 8 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-10-01   
617-685 9 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-10-01   

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

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