N-600K Processing Times
Application for Citizenship and Issuance of Certificate Under Section 322
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.
Processing Time Trend
Upper bound of processing time range shown. Source: USCIS Processing Times.
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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
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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.
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Source: U.S. Citizenship and Immigration Services (USCIS). Data aggregated from daily USCIS processing time snapshots. Data last updated . Permanent link.