U.S. Citizenship and Immigration Services
The U.S. Citizenship and Immigration Services is responsible for processing immigration and naturalization applications and establishing policies regarding immigration services.
Toll-free number
- 1-800-375-5283
- 1-877-247-4645 (Military Help Line)
TTY
1-800-767-1833
Find an office near you
Main address
Information and Customer Service Division5900 Capital Gateway Dr.
Camp Springs, MD 20588-0009
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