For items left on board an aircraft or for lost luggage after a flight, please contact the airline directly. Airlines' Baggage Services numbers can be found through this link.
For items that were lost or left behind at PSP on Airport general property, call (760) 318-3841.
For items you may have left at the airport TSA Security Checkpoint, the fastest way to recover your item is to e-mail your inquiry to: TSAPSPLostandfound@tsa.dhs.gov
You may also call (760) 833 9312 and leave a message.