The area code 319 is located in Cedar Rapids, Iowa.
Area code 319 serves Cedar Rapids and a wide stretch of eastern Iowa, connecting communities along the I‑380 corridor and beyond. It was established in 1947 as one of the first U.S. telephone area codes and later changed when 563 split from 319 in 2001, shifting many Mississippi River communities to the new code. Today, 319 remains a key identifier for businesses, schools, and residents across the region. It sits in the Central Time Zone and anchors a vibrant mix of industry, healthcare, and education.
Major cities and communities in area code 319 include:
"Area code 319 was created in 1947 as part of the original North American Numbering Plan." — North American Numbering Plan Administration (NANPA)
The 319 region features several well-known landmarks and institutions. In Iowa City, the University of Iowa and Kinnick Stadium drive college-town energy and Big Ten spirit. Cedar Rapids is home to the National Czech & Slovak Museum & Library and the Cedar Rapids Museum of Art, highlighting the area’s rich cultural roots. Nearby, the historic Amana Colonies offer a glimpse into communal German heritage, while Herbert Hoover National Historic Site in West Branch preserves the hometown of the 31st U.S. president.
If you see a phone number with the 319 area code, it likely ties to eastern Iowa communities centered on Cedar Rapids, Iowa City, and Waterloo–Cedar Falls. The code covers a diverse landscape, from river towns like Burlington to fast-growing suburbs such as Coralville and North Liberty. For anyone searching local services, schools, or businesses, a 319 number signals a strong connection to the heart of eastern Iowa.