How long is N-600K taking in Phoenix AZ?
Each form has a published range for every office, and where yours is handled can change it by months.
N-600K · Application for Citizenship and Issuance of Certificate Under Section 322
USCIS published these on September 17, 2026
USCIS posts
11.5 to 22.5 months
Phoenix AZ
N-600K by office - fastest first
Pick one to see its dates above.
- New Orleans LA2–4 mo
- Kansas City MO3.5–4 mo
- Fort Smith AR5–5.5 mo
- Hialeah FL5–5.5 mo
- Helena MT6–6.5 mo
- Columbus OH6.5–7 mo
Forms decided at a local field office, where which office you are assigned to changes the answer by months.
USCIS publishes the time by which 80% and 93% of cases were completed. Confirm on USCIS's processing times page.