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.

Atwood, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-816 A MVTNONXMDS1  400E MORNINGTON COMMS CO-OPERATIVE LIMITED - ON 888 805137    
519-356 A ATWDON01RS0  8051 BELL ONTARIO 888 805137    
548-540 A SRFRON387MD  464D FIBERNETICS CORPORATION 888 805137    

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.