If you're still having trouble finding your claim number, don't be afraid to call in the experts! The Social Security Administration (SSA) has a dedicated phone line just for this kind of thing. You can reach them at 1-800-772-1213 and they'll be happy to help you out.
When you call, have your Social Security number and some identification ready, just in case. The customer service reps are super friendly and will guide you through the process of finding your claim number. They might even give you some fun facts about the SSA while you're on the phone!
Social Security Claims: Ensuring Your Benefits