N-600K at Houston Field Office
N-600K is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600K compares to other forms at the Houston Field Office
Three other forms move through Houston: N-600 (certificate of citizenship) at 9.5 to 13.5 months, N-400 (naturalization) at 10.0 to 12.5 months, and I-485 (adjustment of status) at 12.5 to 26.0 months. N-600 has the fastest opening. I-485 has the widest range. N-600K sits at 21.0 to 21.5 months, a half-month band that is the tightest at the office. Its 21.2-month midpoint runs 5.4 months above the office average. That ceiling sits 4.5 months below I-485's upper bound.
Get notified when N-600K processing time changes
Free alerts. No spam. Unsubscribe anytime.
Calculator
When will your N-600K at Houston Field Office likely be processed?
Enter your date and get a predicted window based on current processing times.
Frequently Asked Questions
How long does N-600K take at Houston Field Office?
Current processing time for N-600K at Houston Field Office is 21 months to 21.5 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.