About Area Code 313
Area code 313 serves Michigan, covering major cities including Detroit. Operating in the Eastern Time (ET), this code was established in 1947.
| State | Time Zone | Cities |
|---|---|---|
| Michigan | Eastern Time (ET) | Detroit |
Active Area Code
313
Michigan
Eastern Time (ET)
Est. 1947
PRIMARY
Location
Michigan
Detroit
ACTIVE
Coverage
1 Cities
Since 1947
Beware of Spam Calls
Scammers frequently use 313 numbers. Always verify unknown callers before sharing personal information.
Protect Yourself NowCommon Questions
Where is 313?
Located in Michigan, serving Detroit and surrounding areas.
What time zone?
Operates in Eastern Time (ET).
When established?
Area code 313 was introduced in 1947.
Used for spam?
Can be used by legitimate and fraudulent callers. Always verify unknown numbers.