NPA-NXX - 289-319

This is the 289-319 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. 289
3. 289-319

The 289-319 subcode mainly covers Newmarket in York 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 Regular Landline registered to Distributel Communications Limited. 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 1032524 comments across our systems for the 289-319 subcode.