N-600K at Montgomery Field Office
N-600K is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600K compares to other forms at the Montgomery Field Office
At Montgomery, three other forms run at much shorter ranges: N-600 (certificate of citizenship) at 5.5 to 7.5 months, N-400 (naturalization) at 6.0 to 9.0 months, and I-485 (adjustment of status) at 10.5 to 14.0 months. The three siblings cap at 14 months. N-600K spans 14.0 to 28.0 months, a 14-month spread that is the widest range and highest ceiling at the office. Its 21-month midpoint runs 9.2 months above the office average. That ceiling reaches 14 months past I-485's upper bound.
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Frequently Asked Questions
How long does N-600K take at Montgomery Field Office?
Current processing time for N-600K at Montgomery Field Office is 13.5 months to 26.5 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.