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County ZIP codes · California · FIPS 06035

Lassen County, CA ZIP Codes

Lassen County, California has 19 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 18 residential and 1 for PO boxes or a single organization. 16 of the residential ones lie mainly in Lassen County and 2 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $65,896 in 96137 (Westwood) to $79,688 in 96114 (Janesville) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Lassen County?

96006 · Adin: $46k96009 · Bieber: –96056 · McArthur: $61k96068 · Nubieber: –96105 · Chilcoot: $123k96109 · Doyle: $44k96110 · Eagleville: $78k96113 · Herlong: $67k96114 · Janesville: $80k96117 · Litchfield: $105k96119 · Madeline: –96121 · Milford: $58k96123 · Ravendale: $42k96128 · Standish: $91k96130 · Susanville: $73k96132 · Termo: $69k96136 · Wendel: –96137 · Westwood: $66k9610596130961179612396137960569600696109961369600996132961199611096114961219612896006 · Adin: $46k96009 · Bieber: –96056 · McArthur: $61k96068 · Nubieber: –96105 · Chilcoot: $123k96109 · Doyle: $44k96110 · Eagleville: $78k96113 · Herlong: $67k96114 · Janesville: $80k96117 · Litchfield: $105k96119 · Madeline: –96121 · Milford: $58k96123 · Ravendale: $42k96128 · Standish: $91k96130 · Susanville: $73k96132 · Termo: $69k96136 · Wendel: –96137 · Westwood: $66k961059613096117961239613796056960069610996136960099613296119961109611496006 · Adin: $46k96009 · Bieber: –96056 · McArthur: $61k96068 · Nubieber: –96105 · Chilcoot: $123k96109 · Doyle: $44k96110 · Eagleville: $78k96113 · Herlong: $67k96114 · Janesville: $80k96117 · Litchfield: $105k96119 · Madeline: –96121 · Milford: $58k96123 · Ravendale: $42k96128 · Standish: $91k96130 · Susanville: $73k96132 · Termo: $69k96136 · Wendel: –96137 · Westwood: $66k961059613096117961239613796056960069610996136
The residential ZIP codes of Lassen 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?

They carry 18 postal town names.

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

All 18 residential ZIP codes in Lassen County

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

Residential ZIP codes mainly in Lassen County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
96130 Susanville 20,173 40 $73k $256k 100%
96114 Janesville 2,959 45 $80k $339k 100%
96137 Westwood 2,923 21 $66k $415k 59%
96113 Herlong 2,039 93 $67k $74k 100%
96056 McArthur 1,584 7 $61k $376k 53%
96109 Doyle 1,299 6 $44k $260k 100%
96128 Standish 656 29 $91k $394k 100%
96006 Adin 512 3 $46k $300k 64%
96009 Bieber 307 2 – $156k 100%
96117 Litchfield 261 1 $105k $305k 100%
96121 Milford 217 7 $58k $284k 100%
96068 Nubieber 94 3 – – 100%
96123 Ravendale 45 0 $42k – 100%
96136 Wendel 27 0 – – 100%
96132 Termo 21 0 $69k $428k 100%
96119 Madeline 6 0 – – 100%

Partly in Lassen County

Residential ZIP codes mainly in another county that reach at least 1% into Lassen County, by their share here
In this county
96105 Chilcoot 799 3 $123k $447k 14%
96110 Eagleville 65 1 $78k $208k 4%

Download the 19 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?

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

Share of each ZIP code's land in Lassen County and in the neighboring counties
ZIPIn LassenElsewhere
9613759%Plumas County 41%
9605653%Shasta County 33%; Modoc County 14%
9610514%Plumas County 60%; Sierra County 26%
9600664%Modoc County 36%
961104%Modoc County 96%

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

PO Box and single-organization ZIP codes

ZIP codes in Lassen County without a residential area (GeoNames postal codes)
ZIPPostal name
96127Susanville

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Lassen County's ZIP codes use 2 prefixes: 960 and 961.

Three-digit prefixes of Lassen 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 Lassen County's
PrefixSectional centerHereAll codes
960 Redding, CA (SCF 960) 4 80
961 Reno, NV (SCF 894) 15 53

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