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: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-644 A Newton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 0 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 1 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 2 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 3 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 4 Newton MA   892D ONVOY, LLC - MA 128   2019-12-29   
617-644 5 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 6 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 7 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 8 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-644 9 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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