ZIP code 95556

Humboldt and Siskiyou counties

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Report created October 31, 2026 at www.firezones.org/zip/95556

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 5,133 acres · State Responsibility Area 5%
    2. High 35 acres · State Responsibility Area <1%
    3. Not mapped by CAL FIRE 102,795 acres · Mostly federal land 95%

    107,963 acres of land in all, 5,168 of it in the State Responsibility Area. State zones are the ones the State Fire Marshal designated, in effect since April 1, 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

  • Fire history

    The 10 largest of 188 fires that burned here

    1. 2006 Somes Fire 15,506 acres in total · Cause: Lightning 6,549 acres here
    2. 2024 Boise Fire 12,913 acres in total · Cause: Lightning 6,548 acres here
    3. 2023 Pearch Fire 12,152 acres in total · Cause: Lightning 5,609 acres here
    4. 1917 Camp Creek #1 Fire Cause: Debris burning 5,134 acres here
    5. 1959 Mine Fire 4,504 acres in total · Cause: Debris burning 4,165 acres here
    6. 1929 Hopkins Creek Fire Cause: Debris burning 3,458 acres here
    7. 2023 Mosquito Fire 34,188 acres in total · Cause: Lightning 2,779 acres here
    8. 1929 Hopkins Ridge #10 Fire Cause: Debris burning 1,656 acres here
    9. 1917 Camp Creek #2 Fire Cause: Debris burning 1,656 acres here
    10. 2009 Mill Creek 4 Fire 2,831 acres in total · Cause: Miscellaneous 1,383 acres here

    And 178 smaller fires. The most recent was the 2025 Dillon Fire, which burned 10 acres here. In all, 41,762 acres of ZIP code 95556 have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history

Nearby areas

Neighboring ZIP codes

  1. 95556 5% Very High · this area
  2. 95546 25% Very High
  3. 95568 2% Very High
  4. 96031 1% Very High

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published June 27, 2025, local map February 2, 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published July 28, 2026

This site is independent and not affiliated with CAL FIRE, so for an official determination, check with the agency or your city or county. How we read the data