Iowa area codes
- Area codes in
- 5
- State
- Iowa
- Iowa is served by 5 area codes, from 319 in 1947 to 563 in 2001. 0 of them are overlays, added as older codes filled up.
- Updated 8 October 2026
Now in Iowa
Central Time · UTC−6, UTC−5 in summer
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Central Time
Typical business hours, 9 to 5 Monday to Friday.
Typical business hours, 9 to 5 Monday to Friday, shown as the blue arc. A guide to when a real Iowa office is likely to answer. It says nothing about who called you.
01
All area codes in Iowa
Iowa is served by 5 area codes. 319 is the oldest, in service since 1947; 563 is the newest, activated in 2001.
02
Iowa area codes by city
These are the Iowa cities served by more than one area code, or whose code also covers a wider area.
03
Overlay codes and dialling rules in Iowa
None of Iowa’s area codes are overlays, so seven-digit local dialling may still work in parts of the state.
04
Spam call reports in Iowa
These Iowa area codes drew the most reports to the FTC in the 30 days to 8 October 2026. The figures describe numbers displaying each code, which caller ID spoofing can fake.
Most reported Iowa area codes · last 30 days
| # | Code | Primary city | Reports (30 days) |
|---|---|---|---|
| 1 | 515 | Des Moines | 926 |
| 2 | 319 | Cedar Rapids | 429 |
| 3 | 641 | Mason City | 358 |
| 4 | 563 | Davenport | 300 |
| 5 | 712 | Sioux City | 279 |
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 8 October 2026. Request a correction. Month-over-month figures appear once two complete 30-day windows exist.
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05
Questions
How many area codes does Iowa have?
Iowa has 5 area codes: 319, 515, 563, 641, 712.
What is the main area code for Des Moines?
The main area code for Des Moines is 515.
Which Iowa area code is oldest?
Area code 319 is the oldest in Iowa, in service since 1947.
Do I need to dial ten digits in Iowa?
Not necessarily. Iowa has no overlay codes, so seven-digit local dialling may still work in parts of the state.
Which Iowa area code gets the most spam calls?
Area code 515 (Des Moines) drew the most reports of any Iowa code in the 30 days to 8 October 2026, with 926 numbers reported.
Neighbouring states
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