N-600 at Buffalo Field Office
N-600 is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600 compares to other forms at the Buffalo Field Office
Buffalo also handles I-485 (adjustment of status), N-600K (citizenship under section 322), and N-400 (naturalization). I-485 runs 7.5 to 12.5 months, N-600K runs 9.5 to 11.5, and N-400 runs 11.0 to 12.0. I-485 has the widest spread and the fastest opening. N-400 has the tightest band and the slowest opening. N-600 spans 9.0 to 12.0 months, the second-fastest opening and a 3-month spread. The N-600 ceiling lands 0.5 months below the office's overall maximum. The N-600 floor opens 1.5 months above the office's quickest form.
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Frequently Asked Questions
How long does N-600 take at Buffalo Field Office?
Current processing time for N-600 at Buffalo Field Office is 9 months to 11 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.