Missouri area codes
- Area codes in
- 6
- State
- Missouri
- Local time
- Central Time
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 28 July 2026
All area codes in Missouri
Missouri is served by 6 area codes. 314 is the oldest, in service since 1947; 636 is the newest, activated in 1999.
Missouri area code map
Missouri sits in the Central Time zone, with its 6 codes spread across the state.
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.
Columbia
Kansas City
O’Fallon
Sedalia
Springfield
St. Louis
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.
Spam call reports in Missouri
These Missouri area codes drew the most reports to the FTC in the 30 days to 28 July 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 |
|---|---|---|
| 314 | St. Louis | 868 |
| 816 | Kansas City | 811 |
| 417 | Springfield | 413 |
| 573 | Columbia | 366 |
| 636 | O’Fallon | 346 |
| 660 | Sedalia | 217 |
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.
Calls from your Missouri numbers not landing?
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 28 July 2026, with 868 numbers reported.