USCIS publishes a processing time for Form N-600 at 90 offices. The published upper bound runs from 4.0 months at Charlotte Amalie VI to 52.5 months at Memphis TN. Each office also carries a case inquiry date — the date USCIS uses to decide whether a case is outside normal processing times. If the receipt date on your Form I-797C receipt notice is earlier than it, USCIS will accept a case inquiry (a service request) on the case; if it is later, USCIS treats the case as still within normal processing times. Nothing changed here at the October 19, 2026 revision.
N-600 processing time at each USCIS office that adjudicates it
| Office | Subtype | Processing time | Case inquiry date |
|---|---|---|---|
| Agana GU | 161A Application for recognition of U.S. citizenship | 12–20 months | March 06, 2025 |
| Albany NY | 161A Application for recognition of U.S. citizenship | 20–27.5 months | July 15, 2024 |
| Albuquerque NM | 161A Application for recognition of U.S. citizenship | 11–12 months | November 03, 2025 |
| Anchorage AK | 161A Application for recognition of U.S. citizenship | 9–11.5 months | November 23, 2025 |
| Atlanta GA | 161A Application for recognition of U.S. citizenship | 6–11.5 months | November 14, 2025 |
| Baltimore MD | 161A Application for recognition of U.S. citizenship | 12–15.5 months | July 17, 2025 |
| Boise ID | 161A Application for recognition of U.S. citizenship | 7.5–8 months | March 07, 2026 |
| Boston MA | 161A Application for recognition of U.S. citizenship | 14–25 months | October 01, 2024 |
| Brooklyn NY | 161A Application for recognition of U.S. citizenship | 10.5–14 months | September 05, 2025 |
| Buffalo NY | 161A Application for recognition of U.S. citizenship | 11.5–13.5 months | September 25, 2025 |
| Burlington VT | 161A Application for recognition of U.S. citizenship | 10.5–11 months | November 29, 2025 |
| Charleston SC | 161A Application for recognition of U.S. citizenship | 7–9.5 months | January 23, 2026 |
| Charlotte Amalie VI | 161A Application for recognition of U.S. citizenship | 3–4 months | July 01, 2026 |
| Charlotte NC | 161A Application for recognition of U.S. citizenship | 12.5–20 months | March 13, 2025 |
| Chicago IL | 161A Application for recognition of U.S. citizenship | 11–15.5 months | July 16, 2025 |
| Christiansted VI | 161A Application for recognition of U.S. citizenship | 4–4.5 months | July 01, 2026 |
| Cincinnati OH | 161A Application for recognition of U.S. citizenship | 4–7.5 months | March 21, 2026 |
| Cleveland OH | 161A Application for recognition of U.S. citizenship | 18.5–20 months | March 06, 2025 |
| Columbus OH | 161A Application for recognition of U.S. citizenship | 4–8.5 months | February 15, 2026 |
| Cranbury NJ | 161A Application for recognition of U.S. citizenship | 6–8.5 months | February 25, 2026 |
| Dallas TX | 161A Application for recognition of U.S. citizenship | 8.5–11 months | December 04, 2025 |
| Denver CO | 161A Application for recognition of U.S. citizenship | 13.5–17.5 months | May 15, 2025 |
| Des Moines IA | 161A Application for recognition of U.S. citizenship | 12–16 months | July 04, 2025 |
| Detroit MI | 161A Application for recognition of U.S. citizenship | 10.5–23.5 months | November 25, 2024 |
| El Paso TX | 161A Application for recognition of U.S. citizenship | 25.5–30 months | April 30, 2024 |
| Fort Myers FL | 161A Application for recognition of U.S. citizenship | 10.5–12.5 months | October 28, 2025 |
| Fort Smith AR | 161A Application for recognition of U.S. citizenship | 5–11.5 months | November 20, 2025 |
| Fresno CA | 161A Application for recognition of U.S. citizenship | 11–13 months | October 05, 2025 |
| Greer SC | 161A Application for recognition of U.S. citizenship | 6.5–8 months | March 07, 2026 |
| Harlingen TX | 161A Application for recognition of U.S. citizenship | 11.5–21 months | February 05, 2025 |
| Hartford CT | 161A Application for recognition of U.S. citizenship | 7–10 months | January 12, 2026 |
| Helena MT | 161A Application for recognition of U.S. citizenship | 12–16 months | July 03, 2025 |
| Hialeah FL | 161A Application for recognition of U.S. citizenship | 7–9.5 months | January 17, 2026 |
| Honolulu HI | 161A Application for recognition of U.S. citizenship | 11.5–18 months | May 07, 2025 |
| Houston TX | 161A Application for recognition of U.S. citizenship | 10.5–12.5 months | October 22, 2025 |
| Imperial CA | 161A Application for recognition of U.S. citizenship | 10.5–15 months | August 07, 2025 |
| Indianapolis IN | 161A Application for recognition of U.S. citizenship | 6.5–10.5 months | December 18, 2025 |
| Jacksonville FL | 161A Application for recognition of U.S. citizenship | 12.5–15.5 months | July 27, 2025 |
| Kansas City MO | 161A Application for recognition of U.S. citizenship | 14.5–23 months | November 30, 2024 |
| Kendall FL | 161A Application for recognition of U.S. citizenship | 8–11.5 months | November 27, 2025 |
| Las Vegas NV | 161A Application for recognition of U.S. citizenship | 9.5–10 months | January 25, 2026 |
| Lawrence MA | 161A Application for recognition of U.S. citizenship | 7.5–10.5 months | December 24, 2025 |
| Long Island NY | 161A Application for recognition of U.S. citizenship | 10–11 months | December 03, 2025 |
| Los Angeles CA | 161A Application for recognition of U.S. citizenship | 9.5–14.5 months | August 22, 2025 |
| Los Angeles County CA | 161A Application for recognition of U.S. citizenship | 9–11 months | December 07, 2025 |
| Louisville KY | 161A Application for recognition of U.S. citizenship | 8–11 months | December 09, 2025 |
| Manchester NH | 161A Application for recognition of U.S. citizenship | 5–7 months | April 09, 2026 |
| Memphis TN | 161A Application for recognition of U.S. citizenship | 15.5–52.5 months | June 29, 2022 |
| Miami FL | 161A Application for recognition of U.S. citizenship | 11.5–14.5 months | August 21, 2025 |
| Milwaukee WI | 161A Application for recognition of U.S. citizenship | 15.5–26.5 months | August 16, 2024 |
| Minneapolis-St. Paul MN | 161A Application for recognition of U.S. citizenship | 22–30 months | May 12, 2024 |
| Montgomery AL | 161A Application for recognition of U.S. citizenship | 10.5–13 months | October 07, 2025 |
| Mount Laurel NJ | 161A Application for recognition of U.S. citizenship | 10.5–16.5 months | June 18, 2025 |
| Nashville TN | 161A Application for recognition of U.S. citizenship | 10–11.5 months | November 20, 2025 |
| New Orleans LA | 161A Application for recognition of U.S. citizenship | 10–12 months | November 02, 2025 |
| New York City NY | 161A Application for recognition of U.S. citizenship | 7.5–12 months | October 29, 2025 |
| Newark NJ | 161A Application for recognition of U.S. citizenship | 7.5–9.5 months | January 16, 2026 |
| Norfolk VA | 161A Application for recognition of U.S. citizenship | 10–14 months | September 07, 2025 |
| Oakland Park FL | 161A Application for recognition of U.S. citizenship | 8.5–14.5 months | August 14, 2025 |
| Oklahoma City OK | 161A Application for recognition of U.S. citizenship | 10.5–16.5 months | June 23, 2025 |
| Omaha NE | 161A Application for recognition of U.S. citizenship | 9.5–34.5 months | December 22, 2023 |
| Orlando FL | 161A Application for recognition of U.S. citizenship | 14.5–19 months | April 10, 2025 |
| Philadelphia PA | 161A Application for recognition of U.S. citizenship | 8.5–10.5 months | December 18, 2025 |
| Phoenix AZ | 161A Application for recognition of U.S. citizenship | 10–12 months | November 06, 2025 |
| Pittsburgh PA | 161A Application for recognition of U.S. citizenship | 10–13.5 months | September 22, 2025 |
| Portland ME | 161A Application for recognition of U.S. citizenship | 6–18 months | May 07, 2025 |
| Portland OR | 161A Application for recognition of U.S. citizenship | 6–9.5 months | January 26, 2026 |
| Providence RI | 161A Application for recognition of U.S. citizenship | 4–6.5 months | April 16, 2026 |
| Queens NY | 161A Application for recognition of U.S. citizenship | 7.5–10 months | January 08, 2026 |
| Raleigh NC | 161A Application for recognition of U.S. citizenship | 12.5–32 months | March 04, 2024 |
| Reno NV | 161A Application for recognition of U.S. citizenship | 17–17.5 months | May 30, 2025 |
| Sacramento CA | 161A Application for recognition of U.S. citizenship | 9.5–23 months | December 10, 2024 |
| Saint Louis MO | 161A Application for recognition of U.S. citizenship | 12–19 months | April 12, 2025 |
| Salt Lake City UT | 161A Application for recognition of U.S. citizenship | 14.5–21.5 months | January 13, 2025 |
| San Antonio TX | 161A Application for recognition of U.S. citizenship | 10–12 months | November 13, 2025 |
| San Bernardino CA | 161A Application for recognition of U.S. citizenship | 11–12.5 months | October 28, 2025 |
| San Diego CA | 161A Application for recognition of U.S. citizenship | 14–25 months | September 30, 2024 |
| San Fernando Valley CA | 161A Application for recognition of U.S. citizenship | 4.5–10 months | January 04, 2026 |
| San Francisco CA | 161A Application for recognition of U.S. citizenship | 13–17.5 months | May 19, 2025 |
| San Jose CA | 161A Application for recognition of U.S. citizenship | 9–12 months | October 30, 2025 |
| San Juan PR | 161A Application for recognition of U.S. citizenship | 10.5–13.5 months | September 26, 2025 |
| Santa Ana CA | 161A Application for recognition of U.S. citizenship | 12–14 months | September 11, 2025 |
| Seattle WA | 161A Application for recognition of U.S. citizenship | 14–20 months | March 11, 2025 |
| Spokane WA | 161A Application for recognition of U.S. citizenship | 13.5–15.5 months | July 22, 2025 |
| Tampa FL | 161A Application for recognition of U.S. citizenship | 9–11 months | November 29, 2025 |
| Tucson AZ | 161A Application for recognition of U.S. citizenship | 10.5–12.5 months | October 25, 2025 |
| Washington DC | 161A Application for recognition of U.S. citizenship | 11–17 months | June 04, 2025 |
| West Palm Beach FL | 161A Application for recognition of U.S. citizenship | 13–15.5 months | July 27, 2025 |
| Wichita KS | 161A Application for recognition of U.S. citizenship | 10.5–11.5 months | November 22, 2025 |
| Yakima WA | 161A Application for recognition of U.S. citizenship | 9.5–13 months | September 29, 2025 |
How to read the N-600 figures
Processing time is the range USCIS itself publishes for Form N-600. It is an estimate of how long the agency is taking overall, not a measurement of any individual case, and USCIS revises it roughly monthly without announcing the change.
Case inquiry date is the one that decides what you can do. Find your office in the table above and compare that date against the receipt date printed on your Form I-797C receipt notice. If your receipt date is earlier, USCIS treats the case as outside normal processing times and will accept a case inquiry, also called a service request. If it is later, USCIS treats the case as still within normal processing times and will not act on an inquiry.
The coloured figures show what moved at the most recent revision. Next to a processing time, a red figure means USCIS raised the published upper bound. Next to a case inquiry date, a red figure means the date moved backward — cases that had become eligible to inquire are once again treated as within normal processing times.
What USCIS changed for N-600
Every revision this archive has recorded that touched Form N-600. USCIS publishes no history of its own revisions, so this is the only record that these figures were ever different.
| Observed | USCIS posting date | Inquiry date moved back | Slower | Faster |
|---|---|---|---|---|
| 2026-09-18 | August 17, 2026 → September 17, 2026 | 56 | 48 | 10 |
| 2026-08-18 | July 15, 2026 → August 17, 2026 | 51 | 42 | 12 |
| 2026-07-16 | June 23, 2026 → July 15, 2026 | 50 | 43 | 10 |
| 2026-06-24 | May 22, 2026 → June 23, 2026 | 47 | 34 | 13 |
Get alerted when this changes
USCIS revises these figures without notice and announces nothing. Tell us which office is handling your case for Form N-600 and we will email you when that exact combination moves — never for the routine daily shift.
We send one email asking you to confirm. Nothing else is sent until you click it. Every alert has a one-click unsubscribe.
Processing times for other forms
Every form USCIS publishes a processing time for.
I-90 I-102 I-129 I-129CW I-129F I-130 I-131 I-140 I-212 I-360 I-407 I-485 I-526 I-526(L) I-526E I-539 I-600 I-600A I-600A3 I-601 I-601A I-612 I-730 I-751 I-765 I-765V I-800 I-800A I-800A3 I-817 I-821 I-821D I-824 I-829 I-914 I-918 I-929 I-956 I-956F N-400 N-565 N-600K
← All forms and offices, and what changed at the last revision