ZIP code 91906

San Diego County, including Campo

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Report created October 27, 2026 at www.firezones.info/zip/91906

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    38% Very High

    Most 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

    80% has burned

    Most recently the 2025 Posta Fire, which burned 19 acres here, one of 98 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    91% Extreme

    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 25,746 acres · 25,739 state, 7 local 38%
  2. High 3,851 acres · State Responsibility Area 6%
  3. Moderate 162 acres · State Responsibility Area <1%
  4. Not mapped by CAL FIRE 37,930 acres · Mostly federal land 56%

67,689 acres of land in all, 29,752 in the State Responsibility Area and 7 in the Local. 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. 1944 Unnamed fire Of 9,790 acres in all · Cause: Miscellaneous 9,675 acres
  2. 1940 Unnamed fire Cause: Miscellaneous 9,086 acres
  3. 1968 Donovan Fire 8,737 acres
  4. 1970 Laguna Fire Of 174,162 acres in all · Cause: Campfire 8,271 acres
  5. 1973 Boulder Oaks Fire Of 8,051 acres in all · Cause: Miscellaneous 6,952 acres
  6. 2016 Border 3 Fire Of 7,606 acres in all 4,335 acres
  7. 1999 Shockey Fire Of 3,285 acres in all 2,338 acres
  8. 1950 Boulder Creek Fire Of 2,996 acres in all 2,013 acres
  9. 1947 Unnamed fire Cause: Miscellaneous 1,988 acres
  10. 1944 Unnamed fire Of 64,420 acres in all · Cause: Miscellaneous 1,934 acres

And 88 smaller fires. In all, 53,895 acres of ZIP code 91906 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

Communities in ZIP code 91906

Neighboring ZIP codes

  1. 91906 38% Very High · this area
  2. 91905 22% Very High
  3. 91962 25% Very High
  4. 91963 51% Very High
  5. 91980 86% Very High