Contact the fraud unit of credit bureaus Equifax, Experian, and Trans Union.
Request an alert be put on your record and be sure to obtain the expiration of the alert.
Also, request a victim's statement be placed on your account and have your account password protected.
Report to Banks, Creditors & Other Entities
Call your bank if your credit cards were stolen. Cancel the account. You can call the bank even if the card or checks were not stolen. Report all fraudulent activity so they may flag your account.
Contact all creditors by phone and in writing, where fraudulent use has occurred. Keep copies of all correspondence.