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
617-941 A Somerville MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-941 0 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-941 1 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-941 2 Somerville MA   4536 XO MASSACHUSETTS, INC. 128      
617-941 3 Somerville MA   892D ONVOY, LLC - MA 128   2016-02-05   
617-941 4 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2011-03-20   
617-941 5 Somerville MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
617-941 6 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2011-12-25   
617-941 7 Somerville MA   892D ONVOY, LLC - MA 128   2016-02-05   
617-941 8 Somerville MA   756G WIDE VOICE, LLC - MA 128   2016-04-11   
617-941 9 Somerville MA   892D ONVOY, LLC - MA 128   2019-07-01   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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