ImmigrationTimes.org

N-600K Processing Times

Application for Citizenship and Issuance of Certificate Under Section 322

Normal

16.6 mo – 22.9 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 16.6 mo to 22.9 mo across current USCIS source rows, with full range 3.5 mo to 66.5 mo across all field offices. Kansas City, MO has the lowest average upper bound at 4.0 mo (average range 3.5 mo to 4.0 mo). Processing times have been decreasing over the past three months. Source data is checked daily; USCIS publishes new estimates about monthly.

We check daily — USCIS has not published new data since Aug 17, 2026.

Processing Time Trend

Upper bound of processing time range shown. Source: USCIS Processing Times.

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N-600K Processing Times by Field Office

90 field offices
Field Office Min Max Status
Kansas City, MO (KAN) Lowest upper 3.5 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
Manchester, NH (MAN) 5.0 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
New Orleans, LA (NOL) 6.5 mo 7.0 mo Fast
Charleston, SC (CHL) 7.5 mo 8.0 mo Fast
Jacksonville, FL (JAC) 7.5 mo 8.0 mo Fast
Queens, NY (QNS) 7.5 mo 9.0 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) 9.0 mo 9.5 mo Fast
Greer, SC (GRR) 7.0 mo 10.5 mo Fast
Houston, TX (HOU) 10.0 mo 10.5 mo Fast
Spokane, WA (SPO) 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
Cincinnati, OH (CIN) 6.5 mo 11.5 mo Fast
Denver, CO (DEN) 6.0 mo 11.5 mo Fast
West Palm Beach, FL (WPB) 7.5 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
Yakima, WA (YAK) 10.0 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) 6.0 mo 14.0 mo Fast
Newark, NJ (NEW) 8.5 mo 14.0 mo Fast
Hartford, CT (HAR) 12.0 mo 14.5 mo Normal
Des Moines, IA (DSM) 14.5 mo 15.0 mo Normal
Buffalo, NY (BUF) 10.0 mo 16.0 mo Normal
Burlington, VT (STA) 8.0 mo 16.0 mo Normal
Baltimore, MD (BAL) 16.0 mo 16.5 mo Normal
Albany, NY (ALB) 11.5 mo 17.0 mo Normal
Anchorage, AK (ANC) 16.5 mo 17.0 mo Normal
San Jose, CA (SNJ) 12.0 mo 17.0 mo Normal
Mount Laurel, NJ (MTL) 9.0 mo 17.5 mo Normal
Pittsburgh, PA (PIT) 10.0 mo 18.0 mo Normal
Kendall, FL (KND) 12.0 mo 18.5 mo Normal
San Bernardino, CA (SBD) 7.0 mo 18.5 mo Normal
San Fernando Valley, CA (SFV) 10.0 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
Portland, ME (POM) 18.5 mo 19.0 mo Normal
San Juan, PR (SAJ) 13.5 mo 19.0 mo Normal
Agana, GU (AGA) 17.5 mo 19.5 mo Normal
Long Island, NY (LNY) 14.0 mo 20.0 mo Normal
Honolulu, HI (HHW) 20.0 mo 20.5 mo Normal
Harlingen, TX (HLG) 14.5 mo 21.5 mo Normal
Providence, RI (PRO) 21.0 mo 21.5 mo Normal
Portland, OR (POO) 23.0 mo 23.5 mo Normal
Santa Ana, CA (SAA) 17.5 mo 24.0 mo Normal
Seattle, WA (SEA) 19.0 mo 24.5 mo Normal
Detroit, MI (DET) 21.5 mo 25.0 mo Normal
Las Vegas, NV (LVG) 25.5 mo 26.0 mo Normal
Dallas, TX (DAL) 22.5 mo 27.0 mo Normal
Lawrence, MA (LAW) 20.5 mo 27.0 mo Normal
San Antonio, TX (SNA) 26.5 mo 27.0 mo Normal
Atlanta, GA (ATL) 10.5 mo 28.5 mo Normal
Boise, ID (BOI) 14.0 mo 28.5 mo Normal
Charlotte Amalie, VI (CHA) 14.0 mo 28.5 mo Normal
Christiansted, VI (CHR) 14.0 mo 28.5 mo Normal
Imperial, CA (IMP) 14.0 mo 28.5 mo Normal
Memphis, TN (MEM) 14.0 mo 28.5 mo Normal
Nashville, TN (NTN) 14.0 mo 28.5 mo Normal
Oklahoma City, OK (OKC) 14.0 mo 28.5 mo Normal
Phoenix, AZ (PHO) 20.0 mo 28.5 mo Normal
Reno, NV (REN) 14.0 mo 28.5 mo Normal
Philadelphia, PA (PHI) 12.0 mo 31.0 mo Normal
Washington, DC (WAS) 21.5 mo 31.5 mo Normal
Milwaukee, WI (MIL) 32.5 mo 33.0 mo Normal
Boston, MA (BOS) 20.0 mo 34.5 mo Normal
Miami, FL (MIA) 19.5 mo 34.5 mo Normal
San Diego, CA (SND) 29.0 mo 34.5 mo Normal
New York City, NY (NYC) 37.0 mo 40.5 mo Slow
Norfolk, VA (NOR) 40.5 mo 41.0 mo Slow
Montgomery, AL (MGA) 45.5 mo 46.0 mo Slow
Charlotte, NC (CLT) 31.5 mo 47.0 mo Slow
San Francisco, CA (SFR) 20.5 mo 47.0 mo Slow
Oakland Park, FL (OKL) 15.5 mo 48.5 mo Slow
Indianapolis, IN (INP) 40.5 mo 51.0 mo Very Slow
Chicago, IL (CHI) 37.5 mo 64.5 mo Very Slow
Orlando, FL (ORL) 58.0 mo 64.5 mo Very Slow
Brooklyn, NY (BNY) 18.5 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

Cite This Data

Citation

As of Aug 17, 2026, USCIS processing times for N-600K (Application for Citizenship and Issuance of Certificate Under Section 322) range from 3.5 mo to 66.5 mo across all field offices (full range; source-row average 16.6 mo–22.9 mo). Source: https://immigrationtimes.org/forms/n-600k/. Dataset version DOI: 10.5281/zenodo.21311840

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<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 3.5 mo to 66.5 mo across all field offices (full range; source-row average 16.6 mo–22.9 mo). Figures come from USCIS official processing time estimates, which USCIS publishes about monthly; this page is rebuilt daily.

Based on current data, Kansas City, MO has the lowest average upper bound for N-600K at 4.0 mo (average range 3.5 mo to 4.0 mo). 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 63 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.

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