319 Area Code
Eastern Iowa, Iowa
Area code 319 is located in Eastern Iowa, Iowa. It covers Cedar Rapids, Iowa City, and surrounding areas in the Central time zone (UTC-6). Administered by NANPA.
Where is area code 319?
Area code 319 is located in Eastern Iowa, Iowa. It covers Cedar Rapids, Iowa City, and surrounding areas in the Central time zone (UTC-6).
Cities Covered by Area Code 319
Area code 319 primarily serves the Eastern Iowa area of Iowa. The exact coverage includes Cedar Rapids, Iowa City, and Waterloo, along with surrounding communities and suburbs.
Time Zone
Central Time — UTC-6
Area code 319 operates in the Central Time Zone. When calling 319 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 319
Area code 319 was introduced in 1954 as a geographic area code serving Eastern Iowa, Iowa. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.