ImmigrationTimes.org

N-600K Processing Times

Application for Citizenship and Issuance of Certificate Under Section 322

Normal

16.6 mo – 24.0 mo

avg. across all service centers

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 24.0 mo across all service centers, with full range 2.5 mo to 79.5 mo depending on the service center and filing category. The fastest processing is at El Paso (2.5 mo). Processing times have been relatively stable over the past three months. Data is checked daily from official USCIS estimates.

We check daily — USCIS has not published new data since Apr 21, 2026.

Processing Time Trend

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

Quick Cite Download PNG
<iframe src="https://immigrationtimes.org/embed/n-600k.html" width="600" height="400" frameborder="0"></iframe>

N-600K Processing Times by Service Center

90
Service Center Min Max Status
El Paso (ELP) Fastest 2.5 mo 4.0 mo Fast
Helena (HEL) 5.0 mo 5.5 mo Fast
San Bernardino (SBD) 5.0 mo 6.0 mo Fast
San Fernando Valley (SFV) 6.0 mo 6.5 mo Fast
New Orleans (NOL) 6.5 mo 7.0 mo Fast
Charleston (CHL) 6.5 mo 7.5 mo Fast
Las Vegas (LVG) 7.5 mo 8.0 mo Fast
Fort Smith (FSA) 8.0 mo 8.5 mo Fast
Tucson (TUC) 8.0 mo 8.5 mo Fast
Charlotte (CHA) 8.5 mo 9.0 mo Fast
Pittsburgh (PIT) 7.0 mo 9.0 mo Fast
St. Louis (STL) 8.5 mo 9.0 mo Fast
Grand Rapids (GRR) 9.5 mo 10.0 mo Fast
Charlotte (CLT) 6.5 mo 11.0 mo Fast
Louisville (LOU) 7.0 mo 11.0 mo Fast
Omaha (OMA) 10.5 mo 11.0 mo Fast
Albuquerque (ABQ) 11.0 mo 11.5 mo Fast
Buffalo (BUF) 9.5 mo 11.5 mo Fast
West Palm Beach (WPB) 7.5 mo 11.5 mo Fast
Los Angeles (LOS) 10.5 mo 12.0 mo Fast
Spokane (SPO) 11.5 mo 12.0 mo Fast
Tampa (TAM) 9.5 mo 12.0 mo Fast
Wichita (WIC) 11.5 mo 12.0 mo Fast
Norfolk (NOR) 12.0 mo 12.5 mo Fast
Northern Texas (NTN) 12.0 mo 12.5 mo Fast
Portland (POO) 12.0 mo 12.5 mo Fast
Augusta (AGA) 10.0 mo 13.0 mo Fast
Yakima (YAK) 9.5 mo 13.0 mo Fast
Des Moines (DSM) 13.0 mo 13.5 mo Fast
Hartford (HAR) 12.0 mo 13.5 mo Fast
Hollywood (HHW) 13.0 mo 13.5 mo Fast
San Jose (SAJ) 13.5 mo 14.0 mo Fast
Harlingen (HLG) 14.0 mo 14.5 mo Fast
Stamford (STA) 7.0 mo 15.0 mo Normal
Baltimore (BAL) 10.5 mo 15.5 mo Normal
Cincinnati (CIN) 5.5 mo 15.5 mo Normal
Milwaukee (MIL) 12.0 mo 15.5 mo Normal
Hialeah (HIA) 16.0 mo 16.5 mo Normal
Manchester (MAN) 17.0 mo 17.5 mo Normal
Los Angeles County (LAC) 14.0 mo 18.0 mo Normal
Kendall (KND) 6.5 mo 18.5 mo Normal
Minneapolis (MTL) 11.5 mo 19.0 mo Normal
New Jersey (NJC) 13.5 mo 19.0 mo Normal
San Diego (SND) 18.5 mo 19.0 mo Normal
Providence (PRO) 15.0 mo 20.0 mo Normal
Lawrence (LAW) 10.5 mo 20.5 mo Normal
Pomona (POM) 6.5 mo 20.5 mo Normal
Queens (QNS) 8.0 mo 21.0 mo Normal
Houston (HOU) 21.0 mo 21.5 mo Normal
San Francisco (SFR) 21.0 mo 21.5 mo Normal
Long Island (LNY) 19.5 mo 23.0 mo Normal
Boston (BOS) 7.5 mo 23.5 mo Normal
Dallas (DAL) 21.0 mo 23.5 mo Normal
Office of Field Operations (OFM) 23.5 mo 24.0 mo Normal
San Antonio (SAA) 24.0 mo 24.5 mo Normal
Detroit (DET) 18.5 mo 25.5 mo Normal
Seattle (SEA) 20.5 mo 25.5 mo Normal
Anchorage (ANC) 27.5 mo 28.0 mo Normal
Boise (BOI) 14.0 mo 28.0 mo Normal
Christiansted (CHR) 14.0 mo 28.0 mo Normal
Columbia (CLM) 14.0 mo 28.0 mo Normal
Fresno (FRE) 14.0 mo 28.0 mo Normal
Imperial (IMP) 14.0 mo 28.0 mo Normal
Jacksonville (JAC) 14.0 mo 28.0 mo Normal
Kansas City (KAN) 14.0 mo 28.0 mo Normal
Memphis (MEM) 14.0 mo 28.0 mo Normal
Montgomery (MGA) 14.0 mo 28.0 mo Normal
Reno (REN) 14.0 mo 28.0 mo Normal
Salt Lake City (SLC) 14.0 mo 28.0 mo Normal
Atlanta (ATL) 23.5 mo 28.5 mo Normal
Philadelphia (PHI) 14.0 mo 28.5 mo Normal
Phoenix (PHO) 26.5 mo 28.5 mo Normal
St. Paul (SPM) 32.0 mo 32.5 mo Normal
Albany (ALB) 21.0 mo 33.0 mo Normal
Brooklyn (BNY) 11.0 mo 37.0 mo Slow
Indianapolis (INP) 40.5 mo 41.0 mo Slow
Miami (MIA) 30.5 mo 42.0 mo Slow
Santa Ana (SNA) 26.5 mo 47.0 mo Slow
Oakland (OKL) 25.5 mo 48.5 mo Slow
Oklahoma City (OKC) 48.5 mo 49.0 mo Very Slow
Raleigh (RAL) 35.0 mo 49.0 mo Very Slow
Denver (DEN) 49.5 mo 50.0 mo Very Slow
Chicago (CHI) 27.0 mo 52.0 mo Very Slow
Newark (NEW) 30.5 mo 52.0 mo Very Slow
Cleveland (CLE) 53.0 mo 53.5 mo Very Slow
South New Jersey (SNJ) 19.5 mo 54.5 mo Very Slow
Washington DC (WAS) 38.5 mo 56.5 mo Very Slow
New York City (NYC) 40.0 mo 58.0 mo Very Slow
Orlando (ORL) 50.5 mo 73.0 mo Very Slow
Sacramento (SAC) 18.5 mo 79.5 mo Very Slow

Cite This Data

Citation

ImmigrationTimes.org. (2026). N-600K Processing Times (data as of Apr 21, 2026). Retrieved May 13, 2026, from https://immigrationtimes.org/forms/n-600k/. Dataset DOI: 10.5281/zenodo.19529862

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" frameborder="0" title="N-600K Processing Times"></iframe>

Frequently Asked Questions

Current USCIS N-600K processing times range from 2.5 mo to 79.5 mo across all service centers (full range; average 16.6 mo–24.0 mo across centers) depending on the service center and filing category. This data is updated daily from USCIS official processing time estimates.

Based on current data, El Paso has the shortest N-600K processing times at 2.5 mo. See the full comparison in the table above.

Get Alerts

Receive an email when N-600K processing times change.

Source: U.S. Citizenship and Immigration Services (USCIS). Data aggregated from daily USCIS processing time snapshots. Data last updated . Permanent link.

Related Forms