NPA-NXX - 705-421

This is the 705-421 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 705
3. 705-421

The 705-421 subcode mainly covers Chelmsford in Sudbury county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Ontario state. Many of the numbers in this subcode are Voice over Internet Protocol (VoIP) registered to Bell Aliant Regional. We hear they employ a large number of people in the Ontario office.
Recently there have been an increase in reported calls, we've had over 21196 comments across our systems for the 705-421 subcode.