Area code 319 serves eastern Iowa, including cities like Cedar Rapids, Waterloo, Iowa City, and Burlington. Established in 1947, it was one of the original North American area codes. It covers a region known for its strong educational institutions, including the University of Iowa, and its importance in manufacturing, agriculture, and healthcare. No overlays are currently in place, allowing for seven-digit dialing in local calls. Area code 319 represents Iowa’s mix of tradition, education, and economic stability. It remains an essential component of eastern Iowa’s identity and civic life.