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
617-684 A Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-684 0 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-684 1 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-684 2 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-684 3 Somerville MA   4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2008-03-17   
617-684 4 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-684 5 Somerville MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-11-15   
617-684 7 Somerville MA   7575 CENTURYLINK COMMUNICATIONS LLC 128   2018-05-19   
617-684 8 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-684 9 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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