Active Area Code

423

Tennessee
Eastern Time (ET)
Est. 1995
Identify This Caller
PRIMARY
Location
Tennessee
Chattanooga
ACTIVE
Coverage
2 Cities
Since 1995

About Area Code 423

Area code 423 serves Tennessee, covering major cities including Chattanooga, Knoxville. Operating in the Eastern Time (ET), this code was established in 1995.

StateTime ZoneCities
TennesseeEastern Time (ET)Chattanooga, Knoxville

Beware of Spam Calls

Scammers frequently use 423 numbers. Always verify unknown callers before sharing personal information.

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Common Questions

Where is 423?
Located in Tennessee, serving Chattanooga and surrounding areas.
What time zone?
Operates in Eastern Time (ET).
When established?
Area code 423 was introduced in 1995.
Used for spam?
Can be used by legitimate and fraudulent callers. Always verify unknown numbers.