What area code is 712?
Here's everything about it.
Instant lookup for the 712 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
712 at a glance
Summary
Cities & regions served by 712
Sioux City3 communities on record for 712.
Where 712 sits on the map
No overlayCoverage area
About the 712 region
712 covers Sioux City in Iowa, including Council Bluffs and Denison. The code has been in service since 1947 and is one of the original North American area codes.
712 currently has no overlay, so its territory keeps a single, unshared code.
Who called me from 712?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 712 does not prove the caller is really in the 712 region or even in the United States.
- Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
- Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
- When a 712 call pressures you to act immediately, hang up and contact the organization directly through its official number.
Be the first to add a community report for a 712 number below.
Frequently asked questions
FAQWhat area code is 712?+–
712 is a telephone area code serving Sioux City in Iowa, United States, in service since 1947.
Where is area code 712 located?+–
It covers Council Bluffs and Denison in Iowa.
What cities are in area code 712?+–
Major communities on record include Council Bluffs and Denison. The code's territory spans the Sioux City region of Iowa.
What time zone is 712?+–
712 observes Central (CT), which is UTC−6 / −5 DST and follows daylight saving time.
When did area code 712 start?+–
712 entered service in 1947 as one of the original 1947 North American area codes.
Is 712 a scam area code?+–
Scam and robocall traffic can use any North American code, 712 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 712 number, and report anything suspicious.
Can I get a 712 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 712 number regardless of where you physically live.