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
617-209 A Belmont MA SBTNMAFHDS0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-209 0 Belmont MA   7619 RCN TELECOM SERVICES, INC. - MA 128      
617-209 1 Belmont MA   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-04-14   
617-209 2 Belmont MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-03-25   
617-209 3 Belmont MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
617-209 4 Belmont MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-01   
617-209 5 Belmont MA   966C DSCI, LLC 128   2005-04-10   
617-209 6 Belmont MA   892D ONVOY, LLC - MA 128   2017-05-27   
617-209 7 Belmont MA   4536 XO MASSACHUSETTS, INC. 128   2006-11-10   
617-209 8 Belmont MA   7619 RCN TELECOM SERVICES, INC. - MA 128      
617-209 9 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-13   

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

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