Area code 419 serves northwestern Ohio, including cities such as Toledo, Lima, Mansfield, and Findlay. It is one of the original area codes established in 1947 and has been overlaid with area code 567 since 2002, making ten-digit dialing necessary. The region has long-standing ties to manufacturing, agriculture, and Great Lakes shipping. Toledo, a major port city on Lake Erie, anchors the region with its automotive, healthcare, and education sectors. Area code 419 is a long-standing symbol of Ohio’s industrial backbone and resilient communities, offering a blend of tradition, innovation, and regional pride.