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: 714

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-714 A Cambridge MA CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-714 0 Cambridge MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-714 1 Cambridge MA   8468 FREEDOM RING COMMUNICATIONS, LLC 128   2008-03-01   
617-714 2 Cambridge MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
617-714 3 Cambridge MA   318J COMCAST IP PHONE LLC 128   2006-11-11   
617-714 4 Cambridge MA   318J COMCAST IP PHONE LLC 128   2006-11-11   
617-714 5 Cambridge MA   318J COMCAST IP PHONE LLC 128   2006-11-11   
617-714 6 Cambridge MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2010-07-14   
617-714 7 Cambridge MA   4536 XO MASSACHUSETTS, INC. 128   2009-04-27   
617-714 8 Cambridge MA   4536 XO MASSACHUSETTS, INC. 128   2009-04-09   
617-714 9 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-24   

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

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