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
617-741 A Somerville MA BSTNMACODS6  8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
617-741 0 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 1 Somerville MA   8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
617-741 2 Somerville MA   756G WIDE VOICE, LLC - MA 128   2016-04-11   
617-741 3 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 4 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 5 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 6 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 7 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 8 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 9 Somerville MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      

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

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