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 58.5 months at Boston MA. 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. At the August 17, 2026 revision, 51 of these 90 entries had that date moved backward.
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 | 11.5–20 months | January 20, 2025 |
| Albany NY | 161A Application for recognition of U.S. citizenship | 20–26 months−1.5 mo | July 24, 2024+55 d |
| Albuquerque NM | 161A Application for recognition of U.S. citizenship | 11–12 months | September 19, 2025 |
| Anchorage AK | 161A Application for recognition of U.S. citizenship | 9–14.5 months−0.5 mo | July 01, 2025+5 d |
| Atlanta GA | 161A Application for recognition of U.S. citizenship | 5.5–10 months+2.5 mo | November 24, 2025−67 d |
| Baltimore MD | 161A Application for recognition of U.S. citizenship | 12–14.5 months+3.0 mo | July 12, 2025−82 d |
| Boise ID | 161A Application for recognition of U.S. citizenship | 7–7.5 months | January 29, 2026−5 d |
| Boston MA | 161A Application for recognition of U.S. citizenship | 15.5–58.5 months+13.0 mo | November 12, 2021−395 d |
| Brooklyn NY | 161A Application for recognition of U.S. citizenship | 10–11 months | October 15, 2025−10 d |
| Buffalo NY | 161A Application for recognition of U.S. citizenship | 11–13 months+0.5 mo | August 23, 2025−8 d |
| Burlington VT | 161A Application for recognition of U.S. citizenship | 9.5–10.5 months+1.0 mo | November 11, 2025−24 d |
| Charleston SC | 161A Application for recognition of U.S. citizenship | 7–9.5 months+1.5 mo | December 09, 2025−49 d |
| Charlotte Amalie VI | 161A Application for recognition of U.S. citizenship | 3–4 months | May 17, 2026 |
| Charlotte NC | 161A Application for recognition of U.S. citizenship | 10–13 months | August 20, 2025 |
| Chicago IL | 161A Application for recognition of U.S. citizenship | 11–15 months | June 20, 2025 |
| Christiansted VI | 161A Application for recognition of U.S. citizenship | 4–4.5 months−1.5 mo | May 17, 2026+35 d |
| Cincinnati OH | 161A Application for recognition of U.S. citizenship | 4–7.5 months+2.0 mo | February 02, 2026−58 d |
| Cleveland OH | 161A Application for recognition of U.S. citizenship | 14.5–20 months+1.5 mo | January 20, 2025−44 d |
| Columbus OH | 161A Application for recognition of U.S. citizenship | 3.5–8 months | January 14, 2026 |
| Cranbury NJ | 161A Application for recognition of U.S. citizenship | 5.5–8 months | January 28, 2026+9 d |
| Dallas TX | 161A Application for recognition of U.S. citizenship | 8.5–9.5 months+0.5 mo | December 12, 2025−6 d |
| Denver CO | 161A Application for recognition of U.S. citizenship | 11.5–18.5 months | March 15, 2025 |
| Des Moines IA | 161A Application for recognition of U.S. citizenship | 12–15 months | June 18, 2025 |
| Detroit MI | 161A Application for recognition of U.S. citizenship | 10–25 months+8.0 mo | August 26, 2024−243 d |
| El Paso TX | 161A Application for recognition of U.S. citizenship | 19–29 months | April 23, 2024 |
| Fort Myers FL | 161A Application for recognition of U.S. citizenship | 10.5–12 months | September 18, 2025−5 d |
| Fort Smith AR | 161A Application for recognition of U.S. citizenship | 4–5.5 months | April 14, 2026 |
| Fresno CA | 161A Application for recognition of U.S. citizenship | 11–13 months+0.5 mo | August 26, 2025−17 d |
| Greer SC | 161A Application for recognition of U.S. citizenship | 7–8 months+1.0 mo | January 21, 2026−25 d |
| Harlingen TX | 161A Application for recognition of U.S. citizenship | 11–21 months | December 22, 2024 |
| Hartford CT | 161A Application for recognition of U.S. citizenship | 7–9.5 months | December 04, 2025−0 d |
| Helena MT | 161A Application for recognition of U.S. citizenship | 11–15.5 months | June 06, 2025 |
| Hialeah FL | 161A Application for recognition of U.S. citizenship | 6.5–9 months+0.5 mo | December 16, 2025−25 d |
| Honolulu HI | 161A Application for recognition of U.S. citizenship | 10.5–15.5 months+4.0 mo | June 05, 2025−119 d |
| Houston TX | 161A Application for recognition of U.S. citizenship | 10.5–12.5 months | August 31, 2025−2 d |
| Imperial CA | 161A Application for recognition of U.S. citizenship | 9.5–15 months−2.5 mo | June 23, 2025+78 d |
| Indianapolis IN | 161A Application for recognition of U.S. citizenship | 6.5–10 months+1.5 mo | November 24, 2025−47 d |
| Jacksonville FL | 161A Application for recognition of U.S. citizenship | 12.5–18 months−2.0 mo | March 26, 2025+66 d |
| Kansas City MO | 161A Application for recognition of U.S. citizenship | 14.5–23.5 months+6.5 mo | October 08, 2024−193 d |
| Kendall FL | 161A Application for recognition of U.S. citizenship | 8.5–11.5 months+1.0 mo | September 30, 2025−33 d |
| Las Vegas NV | 161A Application for recognition of U.S. citizenship | 9.5–10 months | December 11, 2025 |
| Lawrence MA | 161A Application for recognition of U.S. citizenship | 7.5–9.5 months−1.5 mo | December 06, 2025+42 d |
| Long Island NY | 161A Application for recognition of U.S. citizenship | 10–11 months | October 25, 2025−3 d |
| Los Angeles CA | 161A Application for recognition of U.S. citizenship | 8–13 months+2.0 mo | August 24, 2025−63 d |
| Los Angeles County CA | 161A Application for recognition of U.S. citizenship | 9–11 months+0.5 mo | October 28, 2025−13 d |
| Louisville KY | 161A Application for recognition of U.S. citizenship | 7–11 months+0.5 mo | October 28, 2025−12 d |
| Manchester NH | 161A Application for recognition of U.S. citizenship | 5–7 months+0.5 mo | February 23, 2026−14 d |
| Memphis TN | 161A Application for recognition of U.S. citizenship | 15.5–33.5 months−19.0 mo | December 14, 2023+579 d |
| Miami FL | 161A Application for recognition of U.S. citizenship | 12–19.5 months−2.0 mo | February 03, 2025+67 d |
| Milwaukee WI | 161A Application for recognition of U.S. citizenship | 13–20 months+4.5 mo | January 27, 2025−137 d |
| Minneapolis-St. Paul MN | 161A Application for recognition of U.S. citizenship | 30–30.5 months | March 28, 2024 |
| Montgomery AL | 161A Application for recognition of U.S. citizenship | 10.5–12 months | September 19, 2025 |
| Mount Laurel NJ | 161A Application for recognition of U.S. citizenship | 9–12.5 months+0.5 mo | September 06, 2025−17 d |
| Nashville TN | 161A Application for recognition of U.S. citizenship | 10–11.5 months | October 09, 2025+2 d |
| New Orleans LA | 161A Application for recognition of U.S. citizenship | 10–12 months−0.5 mo | September 27, 2025+24 d |
| New York City NY | 161A Application for recognition of U.S. citizenship | 7.5–10.5 months | November 03, 2025−3 d |
| Newark NJ | 161A Application for recognition of U.S. citizenship | 7–9 months | December 15, 2025−7 d |
| Norfolk VA | 161A Application for recognition of U.S. citizenship | 9–13 months+2.0 mo | August 23, 2025−56 d |
| Oakland Park FL | 161A Application for recognition of U.S. citizenship | 8.5–14.5 months+2.5 mo | July 06, 2025−73 d |
| Oklahoma City OK | 161A Application for recognition of U.S. citizenship | 10.5–23 months+12.0 mo | October 22, 2024−363 d |
| Omaha NE | 161A Application for recognition of U.S. citizenship | 7–34.5 months+23.0 mo | November 07, 2023−695 d |
| Orlando FL | 161A Application for recognition of U.S. citizenship | 12–16 months+1.5 mo | May 20, 2025−40 d |
| Philadelphia PA | 161A Application for recognition of U.S. citizenship | 8–10 months | November 26, 2025+4 d |
| Phoenix AZ | 161A Application for recognition of U.S. citizenship | 10–12 months | September 22, 2025 |
| Pittsburgh PA | 161A Application for recognition of U.S. citizenship | 10–12 months | September 22, 2025 |
| Portland ME | 161A Application for recognition of U.S. citizenship | 6–18 months+10.5 mo | March 23, 2025−326 d |
| Portland OR | 161A Application for recognition of U.S. citizenship | 6–9.5 months | December 12, 2025+4 d |
| Providence RI | 161A Application for recognition of U.S. citizenship | 3.5–6 months+0.5 mo | March 23, 2026−21 d |
| Queens NY | 161A Application for recognition of U.S. citizenship | 7.5–9.5 months | December 04, 2025−6 d |
| Raleigh NC | 161A Application for recognition of U.S. citizenship | 12.5–32 months+10.5 mo | January 19, 2024−322 d |
| Reno NV | 161A Application for recognition of U.S. citizenship | 17–17.5 months | April 15, 2025 |
| Sacramento CA | 161A Application for recognition of U.S. citizenship | 8–9.5 months+0.5 mo | December 04, 2025−16 d |
| Saint Louis MO | 161A Application for recognition of U.S. citizenship | 12–17.5 months−4.0 mo | April 14, 2025+122 d |
| Salt Lake City UT | 161A Application for recognition of U.S. citizenship | 12.5–21.5 months+7.0 mo | November 29, 2024−215 d |
| San Antonio TX | 161A Application for recognition of U.S. citizenship | 9.5–11.5 months+0.5 mo | October 03, 2025−13 d |
| San Bernardino CA | 161A Application for recognition of U.S. citizenship | 11–12 months−0.5 mo | September 17, 2025+6 d |
| San Diego CA | 161A Application for recognition of U.S. citizenship | 15.5–26 months−0.5 mo | July 16, 2024+3 d |
| San Fernando Valley CA | 161A Application for recognition of U.S. citizenship | 4.5–10 months | November 24, 2025+8 d |
| San Francisco CA | 161A Application for recognition of U.S. citizenship | 12–17 months+1.5 mo | April 27, 2025−41 d |
| San Jose CA | 161A Application for recognition of U.S. citizenship | 8–11 months+1.0 mo | October 25, 2025−26 d |
| San Juan PR | 161A Application for recognition of U.S. citizenship | 10–12.5 months+0.5 mo | September 04, 2025−16 d |
| Santa Ana CA | 161A Application for recognition of U.S. citizenship | 11.5–13.5 months+1.0 mo | August 14, 2025−21 d |
| Seattle WA | 161A Application for recognition of U.S. citizenship | 13.5–20 months+1.0 mo | January 26, 2025−19 d |
| Spokane WA | 161A Application for recognition of U.S. citizenship | 10–13.5 months | July 31, 2025 |
| Tampa FL | 161A Application for recognition of U.S. citizenship | 9.5–11 months | October 15, 2025−0 d |
| Tucson AZ | 161A Application for recognition of U.S. citizenship | 10–12 months+1.0 mo | September 19, 2025−35 d |
| Washington DC | 161A Application for recognition of U.S. citizenship | 10–11.5 months | October 04, 2025−9 d |
| West Palm Beach FL | 161A Application for recognition of U.S. citizenship | 11.5–13 months+0.5 mo | August 16, 2025−22 d |
| Wichita KS | 161A Application for recognition of U.S. citizenship | 10.5–11.5 months | October 08, 2025 |
| Yakima WA | 161A Application for recognition of U.S. citizenship | 8–10 months+0.5 mo | November 28, 2025−11 d |
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 |
|---|---|---|---|---|
| 2026-08-18 | 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 |
| 2026-05-23 | April 21, 2026 → May 22, 2026 | 47 | 40 | 19 |
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