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: 823

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-823 A Worthington MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126      
413-823 0 Worthington MA   073H TELNYX LLC 126   2023-08-14   
413-823 1 Worthington MA   624H ONVOY SPECTRUM, LLC 126   2022-02-25   
413-823 2 Worthington MA   892D ONVOY, LLC - MA 126   2021-05-24   
413-823 3 Worthington MA   624H ONVOY SPECTRUM, LLC 126   2021-08-28   

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

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