Contact the Regional Office that covers the area you live in. Please have your case number ready and be prepared to answer a few questions relevant to your case or situation. The case numbers are broken down into the following format: The case number for an incident that happened on February 24, 2008 would read like this: 080224123 – 08 (year), 02 (month), 24 (day), sequential number (123) [Starts at 1 each day].