NPA-NXX - 819-866

This is the 819-866 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. 819
3. 819-866

The 819-866 subcode mainly covers Chelsea in Les Collines-de-l'outaouais county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Quebec state. Many of the numbers in this subcode are Regular Landline registered to Telus. We hear they employ a large number of people in the Quebec office.
Recently there have been an increase in reported calls, we've had over 46393 comments across our systems for the 819-866 subcode.