Where is the 840 area code?

The 840 area code covers San Bernardino, California (Pacific Time).

Are calls from 840 spam?

Not all 840 calls are spam, but scammers often spoof local 840 numbers ("neighbor spoofing") so a call looks familiar. Look up the specific number to check.

840 area code

San Bernardino, California · Pacific Time

The 840 area code serves San Bernardino, California. Getting a call from 840? It may be a real local caller — but scammers frequently spoof local 840 numbers so the call looks familiar (“neighbor spoofing”), even when they’re nowhere near San Bernardino.

Recently reported 840 numbers

No 840 numbers have been reported here yet. If a 840 number called you, look it up above and add a report to warn others.

Common scams using 840 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 840 are normally assigned. Caller ID can be spoofed, so a 840call may not actually originate from San Bernardino, California.