To check the status of your FOIA request, you may call the Department of Homeland Security FOIA Requester Service Center that replied to your request. Be sure to have your reference number handy when you call. This information is on the receipt you received from DHS that your FOIA had been accepted.
If you don't have your receipt, please call the main FOIA line at 866-431-0486 (toll free) or 703-235-0790 (local) for help.