before you replace a device. Try to find your phone or device. If you can’t locate it, suspend your service. If it’s stolen, you’ll also want to block your device so it can’t be used on our network. Suspend service and block. how do i report a phone stolen that i previously used on my at&t account? if your identity (ssn, combination of name & address) was stolen and used to set up a new at&t account without your authorization, please file an ‘identity theft’ claim below. contact your carrier’s customer service right away to report the phone missing. Take your phone number off key accounts like your email where you use it for. try to find your phone or device. Try and find your device. Once you suspend service, you can’t use gps apps or features to find it. If you need to receive an authentication code.
