USCIS Customer Service Contact Center | USCIS Customer Service Contact Center
111 Massachusetts Ave NW, Washington, DC 20529-2260
Eligibility
No restrictions
Hours
Mon-Fri 8am-8pm Eastern Time by phone
24-hours website
800-767-1833
Voice·
Toll-Free TTY
877-247-4645
Voice·
Toll-Free Military Helpline: 877-CIS-4MIL
800-375-5283
Voice·
Toll-Free
Application process
Call for appointment. Call or visit website for information and check case status.
Fees
None for information or forms
Service area
All ZIP Codes, AZ
Provides information about becoming a US citizen and schedules local appointments. Includes information on the application process for citizenship through naturalization, permanent residency (green card), humanitarian programs such as asylum and refugee status, family and employment related immigration, international adoption, and foreign student authorization. Website offers instructions, forms, fact sheets, and videos.
Last Assured
10/01/2025
What's Here
Providing organization
USCIS Customer Service Contact Center
Provides information about becoming a US citizen and schedules local appointments. Includes information on the application process for citizenship through naturalization, permanent residency (green card), humanitarian programs such as asylum and refugee status, family and employment related immigration, international adoption, and foreign student authorization. Website offers instructions, forms, fact sheets, and videos.
