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County ZIP codes · California · FIPS 06093

Siskiyou County, CA ZIP Codes

Siskiyou County, California has 23 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 21 of the residential ones lie mainly in Siskiyou County and 2 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $46,036 in 96025 (Dunsmuir) to $72,951 in 96032 (Fort Jones) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Siskiyou County?

95556 · Orleans: –95568 · Somes Bar: –96014 · Callahan: –96023 · Dorris: $47k96025 · Dunsmuir: $46k96027 · Etna: $64k96031 · Forks Of Salmon: –96032 · Fort Jones: $73k96034 · Gazelle: $74k96037 · Greenview: $117k96038 · Grenada: $59k96039 · Happy Camp: $42k96044 · Hornbrook: $52k96050 · Klamath River: $41k96057 · McCloud: $50k96058 · Macdoel: $47k96064 · Montague: $61k96067 · Mount Shasta: $65k96085 · Scott Bar: $105k96086 · Seiad Valley: $89k96094 · Weed: $68k96097 · Yreka: $53k96134 · Tulelake: $50k96032960589602796134960949606496031960399604496023960509609796014960579555696086960349556896025960679608595556 · Orleans: –95568 · Somes Bar: –96014 · Callahan: –96023 · Dorris: $47k96025 · Dunsmuir: $46k96027 · Etna: $64k96031 · Forks Of Salmon: –96032 · Fort Jones: $73k96034 · Gazelle: $74k96037 · Greenview: $117k96038 · Grenada: $59k96039 · Happy Camp: $42k96044 · Hornbrook: $52k96050 · Klamath River: $41k96057 · McCloud: $50k96058 · Macdoel: $47k96064 · Montague: $61k96067 · Mount Shasta: $65k96085 · Scott Bar: $105k96086 · Seiad Valley: $89k96094 · Weed: $68k96097 · Yreka: $53k96134 · Tulelake: $50k960329605896027961349609496064960319603996044960239605096097960149605795556960869556896025960679608595556 · Orleans: –95568 · Somes Bar: –96014 · Callahan: –96023 · Dorris: $47k96025 · Dunsmuir: $46k96027 · Etna: $64k96031 · Forks Of Salmon: –96032 · Fort Jones: $73k96034 · Gazelle: $74k96037 · Greenview: $117k96038 · Grenada: $59k96039 · Happy Camp: $42k96044 · Hornbrook: $52k96050 · Klamath River: $41k96057 · McCloud: $50k96058 · Macdoel: $47k96064 · Montague: $61k96067 · Mount Shasta: $65k96085 · Scott Bar: $105k96086 · Seiad Valley: $89k96094 · Weed: $68k96097 · Yreka: $53k96134 · Tulelake: $50k9603296058960279613496094960649603196044960239605796025
The residential ZIP codes of Siskiyou County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $49,674 and $64,308.

They carry 23 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 23 residential ZIP codes in Siskiyou County

21 ZIP codes lie mainly in Siskiyou County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Siskiyou County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
96097 Yreka 9,964 55 $53k $278k 100%
96067 Mount Shasta 7,839 103 $65k $415k 100%
96094 Weed 6,656 33 $68k $332k 100%
96064 Montague 4,665 10 $61k $262k 100%
96032 Fort Jones 2,408 5 $73k $320k 100%
96027 Etna 1,908 5 $64k $313k 100%
96025 Dunsmuir 1,906 18 $46k $283k 72%
96023 Dorris 1,178 5 $47k $172k 100%
96044 Hornbrook 1,143 5 $52k $223k 100%
96057 McCloud 1,025 10 $50k $333k 100%
96058 Macdoel 661 2 $47k $143k 100%
96039 Happy Camp 583 2 $42k $170k 100%
96038 Grenada 504 28 $59k $440k 100%
96050 Klamath River 413 2 $41k $283k 100%
96086 Seiad Valley 348 2 $89k $319k 100%
96034 Gazelle 332 3 $74k $342k 100%
96014 Callahan 307 2 – – 100%
95568 Somes Bar 223 2 – $282k 100%
96037 Greenview 168 61 $117k $342k 100%
96085 Scott Bar 71 1 $105k – 100%
96031 Forks Of Salmon 66 0 – $180k 100%

Partly in Siskiyou County

Residential ZIP codes mainly in another county that reach at least 1% into Siskiyou County, by their share here
In this county
96134 Tulelake 2,346 7 $50k $200k 34%
95556 Orleans 949 6 – $311k 11%

Download the 23 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

3 ZIP codes of Siskiyou County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Siskiyou County and in the neighboring counties
ZIPIn SiskiyouElsewhere
9613434%Modoc County66%
9602572%Shasta County28%
9555611%Humboldt County89%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Siskiyou County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Siskiyou County's ZIP codes use 3 prefixes: 955, 960 and 961.

Three-digit prefixes of Siskiyou County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Siskiyou County's
PrefixSectional centerHereAll codes
955Eureka, CA (SCF 955)251
960Redding, CA (SCF 960)2080
961Reno, NV (SCF 894)153

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.