Systems and methods for confirming and/or updating account information are disclosed. The systems and methods may calculate relocation scores based on transaction data and device location data. The relocation scores may be based on locations of the transactions and/or locations of a user device beyond a registered customer address. A relocation score can be calculated based on a quantity of transactions having transaction locations beyond a first predetermined distance from the customer address as determined by transaction location identifiers. A relocation score can be calculated based on an elapsed duration of time since a customer transaction was completed within the first predetermined distance from the customer address.