FTC Data
At least 3 consumers from California reported phone number 831-531-2316 to the Federal Trade Commission. 66% of complaints reported the call or text message as a robocall or recorded message. The last complaint was on September 18, 2018.
Riverside
Help others by rating this number - was it spam, a business, or something else?
Claimed to be a hospital trying to claim an unpaid bill.