Information on the new 742 area code in Southern Ontario
Learn about the new area code and view the frequently asked questions.
As the demand for telecommunications services in Southern Ontario continues to grow, a new area code will be added to ensure adequate availability of telephone numbers. The geographic region currently covered by area codes 289, 365 and 905 will see the addition of a fourth area code, 742, on May 14, 2022.
- The new area code will be 742, and will only be assigned to new telephone numbers
- Anyone who already has a number with area code 289, 365 or 905 will keep the same number
- The geographic boundaries that govern long distance will not change
- Special numbers, like 9-1-1, will still be dialed using 3 digits
For the frequently asked questions, see below.