Where is the 641 area code?

The 641 area code covers Mason City, Iowa (Central Time).

Are calls from 641 spam?

Not all 641 calls are spam, but scammers often spoof local 641 numbers ("neighbor spoofing") so a call looks familiar. Look up the specific number to check.

641 area code

Mason City, Iowa · Central Time

The 641 area code serves Mason City, Iowa. Getting a call from 641? It may be a real local caller — but scammers frequently spoof local 641 numbers so the call looks familiar (“neighbor spoofing”), even when they’re nowhere near Mason City.

Recently reported 641 numbers

No 641 numbers have been reported here yet. If a 641 number called you, look it up above and add a report to warn others.

Common scams using 641 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 641 are normally assigned. Caller ID can be spoofed, so a 641call may not actually originate from Mason City, Iowa.