ZIP code 95556

Humboldt and Siskiyou counties

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Report created October 27, 2026 at www.firezones.info/zip/95556

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    5% Very High

    All of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    39% has burned

    Most recently the 2025 Dillon Fire, which burned 10 acres here, one of 188 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    >99% Elevated

    Utilities may shut off power in the CPUC High Fire-Threat District in fire weather, and homes outside it can lose power when their lines run through it.

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Land by 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 1 April 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

Largest fires

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

And 178 smaller fires. 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

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published 27 June 2025, local map 2 February 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 February 2026

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

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