Council Bluffs, Iowa

Where Is Area Code 712?

Area code 712 is in western Iowa. It covers the western part of the state along the Missouri River and runs north to the South Dakota and Minnesota borders. Council Bluffs is one of the best-known cities in the 712 area.

Area code 712 serves many communities across western Iowa, including Council Bluffs, Sioux City, Spencer, Storm Lake, Denison, Carroll, Le Mars, and Shenandoah. It covers counties in western Iowa such as Pottawattamie County, where Council Bluffs is the county seat, and Woodbury County, where Sioux City is located.

Area code 712 includes notable geographic features such as the Missouri River on Iowa’s western edge and the Loess Hills, a unique landform found along the river valley. It also serves areas near major transportation routes and regional centers in western Iowa.

History of Area Code 712

Area code 712 was established in 1947. It is one of the original North American area codes created by AT&T and the Bell System when the North American Numbering Plan began.

Area code 712 has remained in service for western Iowa since 1947. Public numbering records do not show a split or an overlay for 712, so it has kept the same code while telephone service expanded across cities, farms, and small towns in western Iowa.

Key Facts About Area Code 712

• Area code 712 is in the state of Iowa, and Council Bluffs is one of its major cities.
• Area code 712 serves western Iowa, including cities such as Sioux City, Council Bluffs, Spencer, Carroll, and Storm Lake.
• Area code 712 is in the Central Time Zone.
• Area code 712 is a geographic area code, not a toll-free code.
• Area code 712 is an original area code that was established in 1947.
• Area code 712 has not been overlaid by another area code and has not been split since it was created.
• Area code 712 covers part of the Missouri River border region and includes the Loess Hills landform in western Iowa.
• Major institutions in the 712 area include Western Iowa Tech Community College in Sioux City and Buena Vista University in Storm Lake.

Frequently Asked Questions

What state is area code 712 in?

Area code 712 is in Iowa.

What major cities use area code 712?

Major cities in area code 712 include Council Bluffs, Sioux City, Spencer, Storm Lake, Carroll, Denison, Le Mars, and Shenandoah.

Is area code 712 a toll-free number?

No. Area code 712 is a geographic area code for western Iowa.