Español

U.S. Citizenship and Immigration Services (USCIS)

The U.S. Citizenship and Immigration Services is responsible for processing immigration and naturalization applications and establishing policies regarding immigration services.

Contact the Agency or Department

Website: U.S. Citizenship and Immigration Services (USCIS)

Contact In-Person: Immigration and Naturalization Local Offices International Immigration Offices

Address: 111 Massachusetts Avenue, NW
MS 2260

Washington, DC 20529-2260

Toll-free: 1-800-375-5283
1-877-247-4645 (Military Help Line)

TTY: 1-800-767-1833

Forms: U.S. Citizenship and Immigration Services (USCIS) Forms