US Citizenship and Immigration Services (USCIS)
- National Customer Service: (800) 375-5283
- Online Case Status
- Update your address online (AR-11)
- Update your address by mail (AR-11)
- Update your address, Special Registration (AR-11SR)
- Medical Exam Providers
- Infopass
- USCIS Seattle District Office Information (address and hours)
- USCIS Seattle Application Support Center Information (biometrics)