ImmigrationTimes.org

N-600 Processing Times

Application for Certificate of Citizenship

Normal

10.0 mo – 13.2 mo

across all service centers

Current USCIS N-600 processing times range from 10.0 mo to 13.2 mo depending on the service center. Updated Mar 29, 2026.

Processing Time Trend

Upper bound of processing time range shown. Source: USCIS via jzebedee/uscis.

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Service Center Comparison

90
Service Center Min Max Status
Cincinnati (CIN) Fastest 3.0 mo 4.0 mo Fast
Grand Rapids (GRR) 4.5 mo 5.0 mo Fast
San Fernando Valley (SFV) 4.5 mo 5.0 mo Fast
Charleston (CHL) 5.0 mo 5.5 mo Fast
Fort Smith (FSA) 4.5 mo 5.5 mo Fast
Hialeah (HIA) 4.0 mo 5.5 mo Fast
Louisville (LOU) 4.5 mo 5.5 mo Fast
Manchester (MAN) 4.5 mo 5.5 mo Fast
Providence (PRO) 5.0 mo 5.5 mo Fast
San Jose (SAJ) 4.5 mo 5.5 mo Fast
Brooklyn (BNY) 4.5 mo 6.0 mo Fast
Office of Field Operations (OFM) 5.0 mo 6.0 mo Fast
Atlanta (ATL) 5.0 mo 6.5 mo Fast
Charlotte (CHA) 5.0 mo 6.5 mo Fast
Cleveland (CLE) 5.0 mo 6.5 mo Fast
Las Vegas (LVG) 6.0 mo 6.5 mo Fast
Columbia (CLM) 4.5 mo 7.0 mo Fast
Dallas (DAL) 6.0 mo 7.0 mo Fast
Indianapolis (INP) 5.0 mo 7.0 mo Fast
Los Angeles (LOS) 5.5 mo 7.0 mo Fast
New Jersey (NJC) 5.5 mo 7.0 mo Fast
Omaha (OMA) 6.5 mo 7.0 mo Fast
Baltimore (BAL) 5.5 mo 7.5 mo Fast
Boise (BOI) 6.5 mo 7.5 mo Fast
Hollywood (HHW) 6.0 mo 7.5 mo Fast
Montgomery (MGA) 5.5 mo 7.5 mo Fast
Detroit (DET) 6.0 mo 8.0 mo Normal
Hartford (HAR) 5.5 mo 8.0 mo Normal
Kendall (KND) 5.0 mo 8.0 mo Normal
Queens (QNS) 6.0 mo 8.0 mo Normal
Raleigh (RAL) 5.5 mo 8.0 mo Normal
South New Jersey (SNJ) 7.0 mo 8.0 mo Normal
Tampa (TAM) 6.0 mo 8.0 mo Normal
Charlotte (CLT) 8.0 mo 8.5 mo Normal
Los Angeles County (LAC) 7.5 mo 8.5 mo Normal
Minneapolis (MTL) 6.5 mo 8.5 mo Normal
Newark (NEW) 7.0 mo 8.5 mo Normal
New York City (NYC) 7.0 mo 8.5 mo Normal
Portland (POO) 5.5 mo 9.0 mo Normal
Stamford (STA) 8.5 mo 9.0 mo Normal
St. Louis (STL) 5.0 mo 9.0 mo Normal
Fresno (FRE) 9.0 mo 9.5 mo Normal
Norfolk (NOR) 7.0 mo 9.5 mo Normal
Tucson (TUC) 7.5 mo 9.5 mo Normal
Wichita (WIC) 7.0 mo 9.5 mo Normal
Yakima (YAK) 8.5 mo 9.5 mo Normal
Christiansted (CHR) 9.5 mo 10.0 mo Normal
Des Moines (DSM) 9.0 mo 10.0 mo Normal
Imperial (IMP) 6.5 mo 10.0 mo Normal
Long Island (LNY) 9.0 mo 10.0 mo Normal
New Orleans (NOL) 8.0 mo 10.5 mo Normal
Oakland (OKL) 5.0 mo 10.5 mo Normal
Philadelphia (PHI) 5.5 mo 10.5 mo Normal
Santa Ana (SNA) 8.5 mo 10.5 mo Normal
West Palm Beach (WPB) 9.0 mo 10.5 mo Normal
Albuquerque (ABQ) 8.0 mo 11.0 mo Normal
Kansas City (KAN) 8.5 mo 12.0 mo Normal
San Francisco (SFR) 9.0 mo 12.0 mo Normal
Denver (DEN) 9.5 mo 12.5 mo Normal
Phoenix (PHO) 9.5 mo 12.5 mo Normal
Pomona (POM) 5.5 mo 13.0 mo Normal
Sacramento (SAC) 8.0 mo 13.0 mo Normal
Spokane (SPO) 9.5 mo 13.0 mo Normal
Lawrence (LAW) 5.5 mo 13.5 mo Normal
San Antonio (SAA) 8.5 mo 13.5 mo Normal
Oklahoma City (OKC) 11.0 mo 14.0 mo Normal
Washington DC (WAS) 7.5 mo 14.0 mo Normal
Augusta (AGA) 14.0 mo 14.5 mo Normal
San Bernardino (SBD) 7.5 mo 14.5 mo Normal
Orlando (ORL) 10.0 mo 15.0 mo Normal
Chicago (CHI) 13.5 mo 15.5 mo Normal
Milwaukee (MIL) 11.0 mo 16.0 mo Normal
Reno (REN) 15.5 mo 16.0 mo Normal
Helena (HEL) 16.0 mo 16.5 mo Normal
Pittsburgh (PIT) 7.5 mo 16.5 mo Normal
Harlingen (HLG) 7.0 mo 17.5 mo Normal
Houston (HOU) 9.5 mo 17.5 mo Normal
El Paso (ELP) 17.5 mo 18.0 mo Normal
Jacksonville (JAC) 18.0 mo 18.5 mo Normal
Buffalo (BUF) 9.5 mo 19.0 mo Slow
Albany (ALB) 18.5 mo 23.5 mo Slow
Northern Texas (NTN) 12.0 mo 23.5 mo Slow
Miami (MIA) 15.0 mo 24.0 mo Slow
Seattle (SEA) 25.5 mo 26.0 mo Very Slow
Anchorage (ANC) 20.0 mo 27.0 mo Very Slow
San Diego (SND) 26.5 mo 28.5 mo Very Slow
Salt Lake City (SLC) 12.5 mo 36.5 mo Very Slow
Boston (BOS) 22.0 mo 44.0 mo Very Slow
St. Paul (SPM) 75.0 mo 75.5 mo Very Slow
Memphis (MEM) 81.5 mo 82.0 mo Very Slow

Cite This Data

Citation

ImmigrationTimes.org. (2026). N-600 Processing Times. Retrieved Mar 29, 2026, from https://immigrationtimes.org/forms/n-600/

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Frequently Asked Questions

Current USCIS N-600 processing times range from 10.0 mo to 13.2 mo depending on the service center. This data is updated daily from USCIS official processing time estimates.

Based on current data, Cincinnati has the shortest N-600 processing times at 4.0 mo. See the full comparison in the table above.

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Source: U.S. Citizenship and Immigration Services (USCIS). Data aggregated from daily USCIS processing time snapshots. Updated Mar 29, 2026. Permanent link.

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