Area codes 419 and 567
area codes in northwestern Ohio
Area code 419 and 567 is a telephone area code in the North American Numbering Plan. It covers the northwestern part of Ohio, including cities like Toledo, Lima, and Mansfield. Area code 419 was one of the original area codes created in 1947. As the demand for phone numbers increased, area code 419 was overlaid with area code 567 in 2002.