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: 749

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-749 A Roxbury MA   892D ONVOY, LLC - MA 128   2025-04-14   
617-749 0 Roxbury MA   892D ONVOY, LLC - MA 128   2021-04-06   
617-749 1 Roxbury MA   624H ONVOY SPECTRUM, LLC 128   2021-04-12   
617-749 2 Roxbury MA   892D ONVOY, LLC - MA 128   2014-10-08   
617-749 4 Roxbury MA   892D ONVOY, LLC - MA 128   2023-07-08   
617-749 5 Roxbury MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-07-30   
617-749 6 Roxbury MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-07-30   
617-749 7 Roxbury MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-03-21   
617-749 8 Roxbury MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-03-21   
617-749 9 Roxbury MA   892D ONVOY, LLC - MA 128   2021-04-06   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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