Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-600 A Stockbridge MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126      
413-600 0 Stockbridge MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2015-08-23   
413-600 1 Stockbridge MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2021-03-06   
413-600 2 Stockbridge MA   792K CHARTER IP ENABLED SERVICES, LLC 126   2016-06-15   
413-600 5 Stockbridge MA SPFDMAWONMD  624H ONVOY SPECTRUM, LLC 126   2022-02-25   
413-600 6 Stockbridge MA SPFDMAWONMD  624H ONVOY SPECTRUM, LLC 126   2020-11-30   
413-600 7 Stockbridge MA   145J TERRA NOVA TELECOM INC. 126   2025-07-04   
413-600 8 Stockbridge MA SPFDMAWOX0X  073H TELNYX LLC 126   2021-03-28   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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