Look up any suspicious number using our scam and spam phone number lookup database. It includes over 29 million Do Not Call and robocall complaints reported to the Federal Trade Commission.
No, area code 840 is not a scam. It's a legitimate telephone area code serving millions of legitimate residents and businesses in California, United States. Area code 840 is a general purpose code that has been in service since February 23, 2021.
You're likely experiencing "Neighbor Spoofing." Scammers fake their caller ID to display local or familiar numbers. If you live in or near California (San Bernardino, Fontana, Rancho Cucamonga), or have a 840 phone number yourself, scammers know you're more likely to answer what appears to be a local call.
Other California area codes where scam and spam calls are regularly reported: