About Area Code 443
Area code 443 serves Maryland, covering major cities including Baltimore. Operating in the Eastern Time (ET), this code was established in 1997.
| State | Time Zone | Cities |
|---|---|---|
| Maryland | Eastern Time (ET) | Baltimore |
Active Area Code
443
Maryland
Eastern Time (ET)
Est. 1997
PRIMARY
Location
Maryland
Baltimore
ACTIVE
Coverage
1 Cities
Since 1997
Beware of Spam Calls
Scammers frequently use 443 numbers. Always verify unknown callers before sharing personal information.
Protect Yourself NowCommon Questions
Where is 443?
Located in Maryland, serving Baltimore and surrounding areas.
What time zone?
Operates in Eastern Time (ET).
When established?
Area code 443 was introduced in 1997.
Used for spam?
Can be used by legitimate and fraudulent callers. Always verify unknown numbers.