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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-666 A Granville MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126      
413-666 0 Granville MA   073H TELNYX LLC 126   2021-03-28   
413-666 1 Granville MA   892D ONVOY, LLC - MA 126   2021-02-22   
413-666 2 Granville MA   892D ONVOY, LLC - MA 126   2021-02-22   
413-666 3 Granville MA   892D ONVOY, LLC - MA 126   2021-04-06   
413-666 5 Granville MA   624H ONVOY SPECTRUM, LLC 126   2020-11-30   
413-666 6 Granville MA   892D ONVOY, LLC - MA 126   2014-09-18   
413-666 7 Granville MA   508J CENTURYLINK COMMUNICATIONS, LLC 126   2015-04-17   
413-666 8 Granville MA   490J DISH WIRELESS, LLC 126   2022-12-12   
413-666 9 Granville MA   7135 TC SYSTEMS, INC. 126   2023-04-21   

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

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