N-600K at Manchester Field Office
N-600K is processed by USCIS.
Verified from USCIS on 2026-06-05
How N-600K compares to other forms at the Manchester Field Office
At Manchester, three other forms run at faster ranges: N-600 (certificate of citizenship) at 4.0 to 5.5 months, N-400 (naturalization) at 7.5 to 10.0 months, and I-485 (adjustment of status) at 8.5 to 16.0 months. N-600 is fastest. I-485 has the widest range. N-600K sits at 17.0 to 17.5 months, a half-month band, the tightest range and slowest opening at the office. The N-600K floor opens 11.5 months after N-600's upper bound. N-600K's 0.5-month spread runs roughly 15.0 times tighter than I-485's.
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Frequently Asked Questions
How long does N-600K take at Manchester Field Office?
Current processing time for N-600K at Manchester Field Office is 17 months to 17.5 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.