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: 857

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-857 A Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-11-29   
617-857 0 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-11-29   
617-857 1 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-11-29   
617-857 2 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-11-29   
617-857 6 Brookline MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-857 7 Brookline MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-857 8 Brookline MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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