USCIS records not available through the Genealogy Program

To Receive Records Dated After Genealogy Program Timelines or Records on Living Persons:

USCIS Freedom of Information Act and Privacy Act
U.S. Citizenship and Immigration Services National Records Center, FOIA/PA Office
PO Box 648010 Lee’s Summit, MO 64064-8010
Live Assistance: 1-800-375-5283    
www.foia.gov
USCIS|FOIA

To Receive Certification of Non-Existence of a Naturalization Record:

USCIS Records Operations Branch
U.S. Citizenship and Immigration Service
ATTN: IMLS/Certification of Non-Existence/RM 5224
150 Space Center Loop
Lee’s Summit, MO 64064

For Historical USCIS and Legacy INS Information:

USCIS History Office and Library
111 Massachusetts Avenue, NW, MS2180  Washington, DC 20529
CISHistory.Library@uscis.dhs.gov
www.uscis.gov