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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-386 A Cambridge MA CMBRMA01DS3  7421 AT&T LOCAL 128      
617-386 0 Cambridge MA   6664 SPRINT SPECTRUM L.P. 128   2006-02-04   
617-386 1 Cambridge MA   7421 AT&T LOCAL 128      
617-386 2 Cambridge MA   7421 AT&T LOCAL 128      
617-386 3 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-07-07   
617-386 4 Cambridge MA   7421 AT&T LOCAL 128      
617-386 5 Cambridge MA   7421 AT&T LOCAL 128      
617-386 6 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-08-06   
617-386 7 Cambridge MA   7421 AT&T LOCAL 128      
617-386 8 Cambridge MA   7421 AT&T LOCAL 128      
617-386 9 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-04   

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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