N-600K at Denver Field Office
N-600K is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600K compares to other forms at the Denver Field Office
At Denver, three other forms accompany N-600K at much shorter ranges: N-600 (certificate of citizenship) at 10.0 to 12.5 months, N-400 (naturalization) at 10.5 to 13.5 months, and I-485 (adjustment of status) at 12.0 to 22.0 months. The three siblings cap below 23 months. N-600K runs 49.5 to 50.0 months, a half-month band sitting nearly 28 months above the next-slowest form. Its upper bound sits 36.5 months past N-400's ceiling. The N-600K band runs 2 months tighter than N-600's.
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Frequently Asked Questions
How long does N-600K take at Denver Field Office?
Current processing time for N-600K at Denver Field Office is 49.5 months to 50 months, based on the latest data from USCIS.
When was N-600K processing time data last updated?
The data was last updated on 2026-06-05, sourced from USCIS.
What factors affect N-600K 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.