Missouri area codes
- Area codes in
- 6
- State
- Missouri
- Missouri is served by 6 area codes, from 314 in 1947 to 636 in 1999. 0 of them are overlays, added as older codes filled up.
- Updated 8 October 2026
Now in Missouri
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 Missouri office is likely to answer. It says nothing about who called you.
01
All area codes in Missouri
02
Missouri area codes by city
These are the Missouri cities served by more than one area code, or whose code also covers a wider area.
03
Overlay codes and dialling rules in Missouri
None of Missouri’s area codes are overlays, so seven-digit local dialling may still work in parts of the state.
04
Spam call reports in Missouri
These Missouri 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 Missouri area codes · last 30 days
| # | Code | Primary city | Reports (30 days) |
|---|---|---|---|
| 1 | 314 | St. Louis | 950 |
| 2 | 816 | Kansas City | 644 |
| 3 | 417 | Springfield | 607 |
| 4 | 573 | Columbia | 587 |
| 5 | 636 | O’Fallon | 314 |
| 6 | 660 | Sedalia | 281 |
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 Missouri have?
Missouri has 6 area codes: 314, 417, 573, 636, 660, 816.
What is the main area code for Kansas City?
The main area code for Kansas City is 816.
Which Missouri area code is oldest?
Area code 314 is the oldest in Missouri, in service since 1947.
Do I need to dial ten digits in Missouri?
Not necessarily. Missouri has no overlay codes, so seven-digit local dialling may still work in parts of the state.
Which Missouri area code gets the most spam calls?
Area code 314 (St. Louis) drew the most reports of any Missouri code in the 30 days to 8 October 2026, with 950 numbers reported.
Neighbouring states
Largest cities