N-400 at Pomona 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 Pomona Field Office
Pomona processes N-600 (certificate of citizenship), N-600K (citizenship under section 322), and I-485 (adjustment of status) alongside N-400. N-600 spans 6.0 to 13.0 months and N-600K spans 6.5 to 20.5. I-485 runs 14.0 to 23.0 months, the highest ceiling. N-400 sits at 9.5 to 13.0 months, a 3.5-month band that is the tightest range at the office. That ceiling sits 10 months below I-485's upper bound. The lower bound opens 3 months after N-600K's floor.
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Frequently Asked Questions
How long does N-400 take at Pomona Field Office?
Current processing time for N-400 at Pomona Field Office is 9.5 months to 13.5 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.