USCIS changes filing location for naturalization applications for California residents
Effective January 22, 2009, residents of California will need to mail their naturalization applications to a new address. The new address is:
USCIS
P.O. Box 21251
Phoenix, AZ 85036
If you wish to file the application via courier or express mail, the address is:
USCIS
Attn: N-400
1820 E. Skyharbor Circle S Floor 1
Phoenix, AZ 85034
If you are in the armed forces or you a spouse of a member of the armed forces, you must file your naturalization application with the Nebraska Service Center, regardless of where you actually reside. The address is:
Nebraska Service Center
P.O. Box 87426
Lincoln, NE 68501–7426
The courier address for the Nebraska Service Center is:
Nebraska Service Center
850 S. Street
Lincoln, NE 68508
If you would like to see the entire Federal Register announcement listing all locations, you may access it here: Revision to Direct Mail Program for Submitting N-400.
