To obtain a copy of a lost naturalization certificate, you must file form N 565 with the U.S. Citizenship and Immigration Services.

For information on persons naturalized in this court prior to 2022, please contact the National Archives:

National Archives at Riverside
23123 Cajalco Road
Perris, CA  92570
951-956-2023
 

For information on persons naturalized in this court from 2022 to present, please contact the appropriate office:

• If naturalized in Yuma or Phoenix – 602-322-7278
• If naturalized in Tucson – 520-205-4250