Area code 712 — Sioux City, Iowa
- Area code
- 712
- Location
- Sioux City, Iowa
- Local time
- Central Time
Area code 712 covers Sioux City and surrounding communities in Iowa.
Updated 28 July 2026
Where is area code 712?
Area code 712 is in Sioux City, Iowa, covering Sioux City and surrounding communities in Iowa. All 712 numbers are on Central Time.
Cities
Sioux City
Is area code 712 a scam?
No. Area code 712 is a legitimate area code serving Sioux City since 1947. Scammers spoof caller ID to display 712 numbers, which is why complaints exist against a code that is itself genuine.
Neighbour spoofing is the reason a local-looking number is not a guarantee. A caller anywhere in the world can display a 712 number, and the number they display may belong to a real business in Sioux City that has nothing to do with the call.
- Area code 712 had 316 different numbers reported for spam calls in the 30 days to 28 July 2026.
- Area code 712 ranks 218th of 331 US geographic area codes by spam complaint volume.
- Of the 323 complaints about area code 712 in the 30 days to 28 July 2026, 80% were reported as a recorded message or robocall.
- The most reported subject on area code 712 is reducing your debt (credit cards, mortgage, student loans), appearing in 38% of its complaints in the 30 days to 28 July 2026.
Most reported numbers · last 30 days
| Number | Reports | Last reported |
|---|---|---|
| (712) 272-8304 | 2 | 8 days ago |
| (712) 512-9850 | 2 | 28 days ago |
| (712) 513-9371 | 2 | 7 days ago |
| (712) 513-9594 | 2 | 13 days ago |
| (712) 544-4522 | 2 | 13 days ago |
A number listed here may itself be a spoofing victim rather than the caller. These are unverified consumer reports.
Source: FTC Do Not Call Reported Calls Data, unverified consumer reports, retrieved 28 July 2026. Request a correction.
What these calls were about
Each figure is that subject’s share of every 712 complaint in the 30 days to 28 July 2026, as categorised by the consumer who reported it.
Reducing your debt (credit cards, mortgage, student loans)
38% of reported 712 calls · 123 complaints
Calls pretending to be government, businesses, or family and friends
9% of reported 712 calls · 29 complaints
Medical & prescriptions
7% of reported 712 calls · 21 complaints
Warranties & protection plans
2% of reported 712 calls · 5 complaints
Businesses can prevent their own numbers from being mistaken for calls like these.
Calls from your 712 number not landing?
Why am I getting text messages from area code 712?
Texts from 712 numbers follow the same pattern as calls — mostly local businesses and services. Treat any text asking for payment or credentials as suspect regardless of the code.
The common patterns are a wrong-number opener that turns into conversation, an unsolicited job offer, and a crypto or investment tip. Do not reply, do not follow the link, and forward the message to 7726 (SPAM) to report it to your carrier.
Who works in the Sioux City area?
Area code 712 has covered western Iowa since 1947, one of the state's original codes, and Sioux City is its commercial hub. The economy is built on agriculture and what agriculture feeds: meatpacking plants including Tyson and Seaboard Triumph operate in and around the city, alongside grain processing, ethanol production, and the trucking firms that move it all. Healthcare systems and a regional airport round out an economy that serves not just Iowa but the adjoining corners of Nebraska and South Dakota, since Sioux City sits where the three states meet.
Who lives in the 712 region
Sioux City counted about 86,100 residents in 2024, with a median household income of $68,906 and a median property value of $173,600, per DataUSA, figures that reflect a low cost of living by national standards. The workforce has shifted with the packing plants: roughly 22.6 percent of residents are Hispanic, and Spanish is widely spoken on plant floors and in neighborhood businesses, so bilingual service is an operating reality here.
What a 712 number signals to a caller
A 712 number carries seven decades of western Iowa identity, and because the code spans a large rural territory, it reads as regional rather than city-specific. Callers describe business here as relationship-driven, with agriculture setting the calendar: harvest and planting seasons decide when people pick up. An outside caller should know that reaching area code 712 often means reaching a metro that functions across state lines, and that Sioux City, Iowa treats its Nebraska and South Dakota neighbors as part of the same market.
Questions
Where is area code 712?
Area code 712 serves Sioux City and surrounding communities in Iowa. It is in the Central Time zone.
What state is area code 712 in?
Area code 712 is in Iowa. It is not in Springfield — those are area code 217.
Is area code 712 toll free?
No. Area code 712 is a geographic area code serving Sioux City, Iowa. The toll-free codes are 800, 833, 844, 855, 866, 877, 888, and a call to a 712 number is charged at your normal rate.
Why am I getting calls from 712?
Calls displaying a 712 number come from businesses and individuals in the Sioux City area, and from anywhere at all when caller ID is spoofed to look local. 316 712 numbers were reported to the FTC in the 30 days to 28 July 2026.
How do I block calls from area code 712?
Both iOS and Android can silence calls from unknown numbers, and every major US carrier offers free call-blocking. Blocking the whole of area code 712 is rarely worth it, because spoofed numbers change constantly and you would lose legitimate calls from Sioux City.