Tools
Tools for the rest of the way, from filing to the oath. They work offline, and each one links to its source on uscis.gov.
Eligibility check
The 5-year path, or 3 years if you’re married to a U.S. citizen, with the continuous residence and physical presence rules. Results are an estimate.
Earliest filing date
The first day you can file, up to 90 days before you meet the residence requirement.
My officials
Your senators, representative, governor and capital, by state and ZIP code.
Fees
The N-400 filing fee, the reduced fee and a fee waiver check.
Document checklist
USCIS’s N-400 evidence checklist, ready to tick off.
My field office
The USCIS field office for your ZIP code, where the interview usually happens.
Interview day guide
What to bring, how the interview goes, the commands you’ll hear and the oath ceremony.
Exemptions explainer
50/20, 55/15, 65/20 and the N-648 medical exception, in plain words.
Citizenship news
USCIS news and form updates about the N-400 and the test. Needs a connection.
Official links
Processing times, test updates, finding legal help and avoiding scams.
Case status
Already filed your N-400?
Track your case with CaseStep
StepCivics does not provide legal advice. Eligibility and filing-date results are estimates; check them with USCIS before you file.