N-600K Processing Times
Application for Citizenship and Issuance of Certificate Under Section 322
17.0 mo – 25.1 mo
avg. across USCIS source rows
Current N-600K Processing Time
As of , USCIS N-600K (Application for Citizenship and Issuance of Certificate Under Section 322) processing times average 17.0 mo to 25.1 mo across current USCIS source rows, with full range 2.0 mo to 79.5 mo across all field offices. The lowest average upper bound is tied at 4.0 mo across Kansas City, MO and New Orleans, LA. Processing times have been increasing over the past three months. Source data is checked daily; USCIS publishes new estimates about monthly.
Processing Time Trend
Upper bound of processing time range shown. Source: USCIS Processing Times.
<iframe src="https://immigrationtimes.org/embed/n-600k.html" width="600" height="400" style="width:100%;max-width:600px;border:0;" frameborder="0" title="N-600K Processing Times"></iframe> <p>Source: <a href="https://immigrationtimes.org/forms/n-600k/">N-600K Processing Times — ImmigrationTimes.org</a></p>
N-600K Processing Times by Field Office
90 field offices| Field Office | Min | Max | Status |
|---|---|---|---|
| Kansas City, MO (KAN) Tied lowest average upper boundTied lowest upper | 3.5 mo | 4.0 mo | Fast |
| New Orleans, LA (NOL) Tied lowest average upper boundTied lowest upper | 2.0 mo | 4.0 mo | Fast |
| Fort Smith, AR (FSA) | 5.0 mo | 5.5 mo | Fast |
| Hialeah, FL (HIA) | 5.0 mo | 5.5 mo | Fast |
| Helena, MT (HEL) | 6.0 mo | 6.5 mo | Fast |
| Columbus, OH (CLM) | 6.5 mo | 7.0 mo | Fast |
| El Paso, TX (ELP) | 6.5 mo | 7.0 mo | Fast |
| Charleston, SC (CHL) | 7.5 mo | 8.0 mo | Fast |
| Raleigh, NC (RAL) | 9.0 mo | 9.5 mo | Fast |
| Salt Lake City, UT (SLC) | 9.0 mo | 9.5 mo | Fast |
| Tampa, FL (TAM) | 9.5 mo | 10.0 mo | Fast |
| Greer, SC (GRR) | 7.0 mo | 10.5 mo | Fast |
| Houston, TX (HOU) | 10.0 mo | 10.5 mo | Fast |
| Louisville, KY (LOU) | 9.0 mo | 11.0 mo | Fast |
| Omaha, NE (OMA) | 10.5 mo | 11.0 mo | Fast |
| Albuquerque, NM (ABQ) | 11.0 mo | 11.5 mo | Fast |
| Denver, CO (DEN) | 8.5 mo | 11.5 mo | Fast |
| Newark, NJ (NEW) | 8.0 mo | 11.5 mo | Fast |
| Wichita, KS (WIC) | 11.5 mo | 12.0 mo | Fast |
| Cleveland, OH (CLE) | 12.0 mo | 12.5 mo | Fast |
| West Palm Beach, FL (WPB) | 7.5 mo | 12.5 mo | Fast |
| Queens, NY (QNS) | 9.0 mo | 13.0 mo | Fast |
| Yakima, WA (YAK) | 9.5 mo | 13.0 mo | Fast |
| Los Angeles, CA (LOS) | 13.0 mo | 13.5 mo | Fast |
| Minneapolis-St. Paul, MN (SPM) | 13.0 mo | 13.5 mo | Fast |
| Tucson, AZ (TUC) | 13.0 mo | 13.5 mo | Fast |
| Fresno, CA (FRE) | 6.5 mo | 14.0 mo | Fast |
| Des Moines, IA (DSM) | 14.5 mo | 15.0 mo | Normal |
| Albany, NY (ALB) | 11.5 mo | 15.5 mo | Normal |
| Hartford, CT (HAR) | 12.0 mo | 15.5 mo | Normal |
| Anchorage, AK (ANC) | 16.5 mo | 17.0 mo | Normal |
| Baltimore, MD (BAL) | 16.0 mo | 17.0 mo | Normal |
| Long Island, NY (LNY) | 13.5 mo | 17.0 mo | Normal |
| San Jose, CA (SNJ) | 12.5 mo | 17.0 mo | Normal |
| Burlington, VT (STA) | 9.0 mo | 17.0 mo | Normal |
| Jacksonville, FL (JAC) | 17.0 mo | 17.5 mo | Normal |
| Mount Laurel, NJ (MTL) | 10.0 mo | 17.5 mo | Normal |
| Santa Ana, CA (SAA) | 17.0 mo | 17.5 mo | Normal |
| Pittsburgh, PA (PIT) | 12.5 mo | 18.0 mo | Normal |
| Buffalo, NY (BUF) | 10.0 mo | 18.5 mo | Normal |
| Kendall, FL (KND) | 12.0 mo | 18.5 mo | Normal |
| San Fernando Valley, CA (SFV) | 8.5 mo | 18.5 mo | Normal |
| Los Angeles County, CA (LAC) | 18.5 mo | 19.0 mo | Normal |
| Cranbury, NJ (NJC) | 17.0 mo | 19.0 mo | Normal |
| Fort Myers, FL (OFM) | 18.5 mo | 19.0 mo | Normal |
| San Juan, PR (SAJ) | 10.0 mo | 19.0 mo | Normal |
| Agana, GU (AGA) | 17.5 mo | 19.5 mo | Normal |
| Honolulu, HI (HHW) | 20.0 mo | 20.5 mo | Normal |
| Harlingen, TX (HLG) | 13.0 mo | 21.5 mo | Normal |
| Providence, RI (PRO) | 21.0 mo | 21.5 mo | Normal |
| San Bernardino, CA (SBD) | 9.5 mo | 21.5 mo | Normal |
| Cincinnati, OH (CIN) | 11.5 mo | 22.0 mo | Normal |
| Phoenix, AZ (PHO) | 11.5 mo | 22.5 mo | Normal |
| Spokane, WA (SPO) | 10.0 mo | 23.5 mo | Normal |
| Detroit, MI (DET) | 21.5 mo | 25.0 mo | Normal |
| Seattle, WA (SEA) | 22.5 mo | 25.5 mo | Normal |
| Las Vegas, NV (LVG) | 25.5 mo | 26.0 mo | Normal |
| Portland, ME (POM) | 18.5 mo | 26.5 mo | Normal |
| Dallas, TX (DAL) | 27.5 mo | 28.0 mo | Normal |
| Atlanta, GA (ATL) | 10.5 mo | 28.5 mo | Normal |
| Boise, ID (BOI) | 14.0 mo | 29.0 mo | Normal |
| Charlotte Amalie, VI (CHA) | 14.0 mo | 29.0 mo | Normal |
| Christiansted, VI (CHR) | 14.0 mo | 29.0 mo | Normal |
| Imperial, CA (IMP) | 14.0 mo | 29.0 mo | Normal |
| Nashville, TN (NTN) | 14.0 mo | 29.0 mo | Normal |
| Oklahoma City, OK (OKC) | 14.0 mo | 29.0 mo | Normal |
| Reno, NV (REN) | 14.0 mo | 29.0 mo | Normal |
| Miami, FL (MIA) | 20.5 mo | 30.5 mo | Normal |
| Lawrence, MA (LAW) | 22.5 mo | 31.0 mo | Normal |
| Milwaukee, WI (MIL) | 32.5 mo | 33.0 mo | Normal |
| Philadelphia, PA (PHI) | 12.5 mo | 33.5 mo | Normal |
| Boston, MA (BOS) | 20.5 mo | 34.5 mo | Normal |
| San Diego, CA (SND) | 29.0 mo | 34.5 mo | Normal |
| Washington, DC (WAS) | 25.5 mo | 38.0 mo | Slow |
| Norfolk, VA (NOR) | 12.0 mo | 40.5 mo | Slow |
| Manchester, NH (MAN) | 11.5 mo | 41.0 mo | Slow |
| San Antonio, TX (SNA) | 26.5 mo | 43.0 mo | Slow |
| Montgomery, AL (MGA) | 45.5 mo | 46.0 mo | Slow |
| Charlotte, NC (CLT) | 11.5 mo | 47.0 mo | Slow |
| San Francisco, CA (SFR) | 20.5 mo | 47.0 mo | Slow |
| Oakland Park, FL (OKL) | 17.5 mo | 48.5 mo | Slow |
| Indianapolis, IN (INP) | 36.0 mo | 51.0 mo | Very Slow |
| New York City, NY (NYC) | 38.5 mo | 58.0 mo | Very Slow |
| Chicago, IL (CHI) | 41.5 mo | 59.0 mo | Very Slow |
| Orlando, FL (ORL) | 58.0 mo | 63.5 mo | Very Slow |
| Brooklyn, NY (BNY) | 18.5 mo | 65.5 mo | Very Slow |
| Memphis, TN (MEM) | 65.0 mo | 65.5 mo | Very Slow |
| Saint Louis, MO (STL) | 65.0 mo | 65.5 mo | Very Slow |
| Sacramento, CA (SAC) | 48.5 mo | 66.5 mo | Very Slow |
| Portland, OR (POO) | 29.5 mo | 79.5 mo | Very Slow |
Cite This Data
Citation
As of Sep 17, 2026, USCIS processing times for N-600K (Application for Citizenship and Issuance of Certificate Under Section 322) range from 2.0 mo to 79.5 mo across all field offices (full range; source-row average 17.0 mo–25.1 mo). Source: https://immigrationtimes.org/forms/n-600k/. Dataset version DOI: 10.5281/zenodo.21311840
Download PNG
Chart image with watermark
Download JSON
Raw data via API
Download CSV
Spreadsheet-ready data
<iframe src="https://immigrationtimes.org/embed/n-600k.html" width="600" height="400" style="width:100%;max-width:600px;border:0;" frameborder="0" title="N-600K Processing Times"></iframe> <p>Source: <a href="https://immigrationtimes.org/forms/n-600k/">N-600K Processing Times — ImmigrationTimes.org</a></p>
Frequently Asked Questions
Current USCIS N-600K processing times range from 2.0 mo to 79.5 mo across all field offices (full range; source-row average 17.0 mo–25.1 mo). Figures come from USCIS official processing time estimates, which USCIS publishes about monthly; this page is rebuilt daily.
Based on current data, the lowest average upper bound is tied at 4.0 mo across Kansas City, MO and New Orleans, LA. See the full comparison in the table above.
Get Alerts
Two mailings: an email when N-600K processing times change, and a monthly briefing on USCIS processing time trends.
Source: U.S. Citizenship and Immigration Services (USCIS). Data aggregated from 64 USCIS processing time publications, issued monthly. Each office's range averages only the filing categories for which USCIS publishes both a lower and an upper bound, so both endpoints cover the same categories. Data last updated . See our data sources and methodology. Permanent link.