N-600 at Seattle Field Office
N-600 is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600 compares to other forms at the Seattle Field Office
At Seattle, three other forms accompany N-600: N-400 (naturalization) at 7.5 to 9.0 months, I-485 (adjustment of status) at 15.5 to 49.5 months, and N-600K (citizenship under section 322) at 20.5 to 25.5 months. N-400 is fastest. I-485 has the widest range. N-600 sits at 25.5 to 26.0 months, a half-month band that is the tightest range at the office. The widest sibling spread of 34 months is more than double the N-600 range. The N-600 lower bound is the office's latest opening at 25.5 months.
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Frequently Asked Questions
How long does N-600 take at Seattle Field Office?
Current processing time for N-600 at Seattle Field Office is 15 months to 25.5 months, based on the latest data from USCIS.
When was N-600 processing time data last updated?
The data was last updated on 2026-06-05, sourced from USCIS.
What factors affect N-600 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.