N-600 at Columbus Field Office
N-600 is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600 compares to other forms at the Columbus Field Office
Columbus also processes N-400 (naturalization) at 8.5 to 10.0 months, I-485 (adjustment of status) at 11.0 to 23.0 months, and N-600K (citizenship under section 322) at 14.0 to 28.0 months. I-485 has a 12-month spread and N-600K matches at 14 months. N-400 sits in a tight 1.5-month band. N-600 runs 4.0 to 8.0 months, the fastest of the four forms on both bounds. Its upper bound falls 15 months below I-485's ceiling. The N-600 band runs 2.5 months wider than N-400's tighter range.
Get notified when N-600 processing time changes
Free alerts. No spam. Unsubscribe anytime.
Calculator
When will your N-600 at Columbus 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-600 take at Columbus Field Office?
Current processing time for N-600 at Columbus Field Office is 3.5 months to 7.5 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.