TORONTO — Starting October 16, 2021, the new area code 742 will be introduced in the Golden Horseshoe region (excluding Toronto) which is currently served by area codes 289, 365 and 905. This region includes Niagara, Hamilton, Halton, Peel, York and Durham. The introduction of the new 742 area code is the result of an October 2020 decision by the CRTC and is intended to meet the continuously growing demand for new telephone numbers in the region. The new area code will be introduced gradually starting October 16. After this date, consumers and businesses requesting a new phone number may...