N-400 at Imperial Field Office
Form N-400, Application for Naturalization, is filed with USCIS to apply for US citizenship.
Verified from USCIS on 2026-06-05
How N-400 compares to other forms at the Imperial Field Office
Three other forms share the Imperial docket: N-600 (certificate of citizenship) at 6.5 to 8.5 months, N-600K (citizenship under section 322) at 14.0 to 28.0 months, and I-485 (adjustment of status) at 21.5 to 39.5 months. N-600 is fastest. I-485 reaches the highest ceiling. N-400 clears in 9.5 to 12.5 months, the second-fastest of the four forms and a 3-month band. The N-400 band runs 1 months wider than N-600's tighter range. From the N-400 floor to the office's overall ceiling stretches 30 months.
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Frequently Asked Questions
How long does N-400 take at Imperial Field Office?
Current processing time for N-400 at Imperial Field Office is 9.5 months to 12.5 months, based on the latest data from USCIS.
When was N-400 processing time data last updated?
The data was last updated on 2026-06-05, sourced from USCIS.
What factors affect N-400 processing time?
Processing times vary based on application volume, case complexity, security checks, and the completeness of submitted documentation. Times shown are estimates and individual cases may differ.