Where is the 712 area code located?

The 712 area code serves Sioux City, IA and surrounding areas in Iowa. Major cities include Spencer, Le Mars, Sioux City.

How do I get a 712 phone number?

You can get a 712 phone number instantly with Phone2. Choose your number, sign up in minutes, and start making calls from our mobile app or desktop. Plans start at $7/month.

What timezone is the 712 area code in?

The 712 area code is in the Central (GMT -6) timezone.

Can I port my existing 712 number to Phone2?

Yes, you can port your existing 712 phone number to Phone2. The porting process typically takes 1-2 weeks. Keep your number and get all Phone2 features including team calling, SMS, and voicemail.

712 area code

Get a local phone number in Sioux City, IA

Biggest city

Sioux City

StateIowa

Major Cities

Spencer, Le Mars, Sioux City, Council Bluffs, Red Oak, Sheldon, Storm Lake, Carroll, Sac City, and Shenandoah

Timezone

Central (GMT -6)

Zip codes

51101•51111

Population

82,684

Unemployment

2.50%

Avg. Income

$74,378

Nearby Area Codes

402 507

Last updated: October 29, 2025

712 • Sioux City

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712 area code summary

The 712 area code is a significant part of Iowa's telecommunications network, serving the western part of the state and playing a crucial role in its connectivity.

Serving Western Iowa: Established in 1947, the 712 area code covers western Iowa, including key cities like Sioux City, Council Bluffs, and Spencer. Region of Agricultural and Economic Activity: This area is known for its agricultural landscape and small-town charm, contributing significantly to Iowa's economy. Stable Telecommunications Infrastructure: The 712 area code has remained stable over the years, effectively meeting the communication needs of the region's residents and businesses.

Fun fact 💡

Sioux City’s Lewis and Clark Interpretive Center opened in 2003, a 712 site.

🏢 First Phone Company

Northwestern Bell (later Qwest)

📲 Get a 712 number: $7/mo

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