N-600K at Boston Field Office
N-600K is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600K compares to other forms at the Boston Field Office
Boston also processes I-485 (adjustment of status) at 8.5 to 18.5 months, N-400 (naturalization) at 10.5 to 12.0 months, and N-600 (certificate of citizenship) at 15.5 to 31.0 months. N-400 has the tightest band and N-600 the highest ceiling. I-485 has the widest spread among the others. N-600K spans 7.5 to 23.5 months, the fastest opening at the office and a 16-month spread that is second-widest. On the lower-bound stack, N-600K's 7.5 sits next to 8.5, 10.5.
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Frequently Asked Questions
How long does N-600K take at Boston Field Office?
Current processing time for N-600K at Boston Field Office is 8 months to 25 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.