Where is the 423 area code?

The 423 area code covers Chattanooga, Tennessee (Eastern Time).

Are calls from 423 spam?

Not all 423 calls are spam, but scammers often spoof local 423 numbers ("neighbor spoofing") so a call looks familiar. Look up the specific number to check.

423 area code

Chattanooga, Tennessee · Eastern Time

The 423 area code serves Chattanooga, Tennessee. Getting a call from 423? It may be a real local caller — but scammers frequently spoof local 423 numbers so the call looks familiar (“neighbor spoofing”), even when they’re nowhere near Chattanooga.

Recently reported 423 numbers

No 423 numbers have been reported here yet. If a 423 number called you, look it up above and add a report to warn others.

Common scams using 423 calls

🏛️ IRS / Tax Scam

"You owe back taxes — pay now or be arrested."

🪪 Social Security Scam

"Your Social Security number has been suspended."

🚗 Auto Warranty Robocall

"Your car's extended warranty is about to expire."

📦 Package / Amazon Scam

"There's a problem with your delivery / Amazon order."

Area-code information reflects where numbers in 423 are normally assigned. Caller ID can be spoofed, so a 423call may not actually originate from Chattanooga, Tennessee.