Sep 30th 548 is new area code in southwestern Ontario, joining 519, 226

Growing use of communications services fuels demand for new area code Welcome to The 548. Included on June 4, the new area code for southwestern Ontario, which is currently served by area codes 226 and 519. The new 548 area code will be used in the communities of Windsor, Sarnia, London, Stratford, Owen Sound, Kitchener-Waterloo and Guelph ... Read More »