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Comprehensive Immigration/Naturalization Services | United States Citizenship and Immigration Services

Administers programs related to the lawful immigration to the United States.

Last Assured

12/01/2023

Physical Address

111 Massachusetts Ave NW, Washington, DC 20529-2260

Hours

Mon-Fri 8am-8pm Eastern Time customer service; 24-hours automated service

Voice

800-375-5283

Toll-Free

Application process

Call, visit website, or write

Eligibility

Varies by service

Languages

English, Spanish

Service area

AZ

Agency info

United States Citizenship and Immigration Services

Administers programs related to the lawful immigration to the United States.