Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-444 A Bernardston MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126      
413-444 0 Bernardston MA   892D ONVOY, LLC - MA 126   2014-10-19   
413-444 1 Bernardston MA   892D ONVOY, LLC - MA 126   2014-10-19   
413-444 2 Bernardston MA   892D ONVOY, LLC - MA 126   2021-04-06   
413-444 3 Bernardston MA   145J TERRA NOVA TELECOM INC. 126   2025-04-09   
413-444 4 Bernardston MA   892D ONVOY, LLC - MA 126   2014-09-18   
413-444 5 Bernardston MA   624H ONVOY SPECTRUM, LLC 126   2020-11-30   
413-444 6 Bernardston MA   892D ONVOY, LLC - MA 126   2021-07-09   
413-444 7 Bernardston MA   508J CENTURYLINK COMMUNICATIONS, LLC 126   2015-07-03   
413-444 8 Bernardston MA   073H TELNYX LLC 126   2021-03-28   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.