712 Area Code
Western Iowa, Iowa
Area code 712 is located in Western Iowa, Iowa. It covers Sioux City, Council Bluffs, and surrounding areas in the Central time zone (UTC-6). Administered by NANPA.
Where is area code 712?
Area code 712 is located in Western Iowa, Iowa. It covers Sioux City, Council Bluffs, and surrounding areas in the Central time zone (UTC-6).
Cities Covered by Area Code 712
Area code 712 primarily serves the Western Iowa area of Iowa. The exact coverage includes Sioux City, Council Bluffs, and Storm Lake, along with surrounding communities and suburbs.
Time Zone
Central Time — UTC-6
Area code 712 operates in the Central Time Zone. When calling 712 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 712
Area code 712 was introduced in 1954 as a geographic area code serving Western 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.