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County ZIP codes · Wyoming · FIPS 56005

Campbell County, WY ZIP Codes

Campbell County, Wyoming has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 8 residential and 1 for PO boxes or a single organization. 7 of the residential ones lie mainly in Campbell County and 1 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $73,155 in 82716 to $104,458 in 82718 (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Campbell County?

82701 · Newcastle: $91k82716 · Gillette: $73k82718 · Gillette: $105k82725 · Recluse: –82727 · Rozet: $98k82731 · Weston: –82732 · Wright: $78k82831 · Arvada: $128k827018271882716828318272782731827258273282701 · Newcastle: $91k82716 · Gillette: $73k82718 · Gillette: $105k82725 · Recluse: –82727 · Rozet: $98k82731 · Weston: –82732 · Wright: $78k82831 · Arvada: $128k827018271882716828318272782731827258273282701 · Newcastle: $91k82716 · Gillette: $73k82718 · Gillette: $105k82725 · Recluse: –82727 · Rozet: $98k82731 · Weston: –82732 · Wright: $78k82831 · Arvada: $128k82701827188271682831827278273182725
The residential ZIP codes of Campbell 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 7 postal town names: Gillette, Newcastle, Rozet, Wright, Arvada, Weston, Recluse.

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

All 8 residential ZIP codes in Campbell County

7 ZIP codes lie mainly in Campbell County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Campbell County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
82718 Gillette 26,619 17 $105k $309k 100%
82716 Gillette 16,817 14 $73k $236k 100%
82727 Rozet 2,040 5 $98k $344k 95%
82732 Wright 1,671 22 $78k $239k 100%
82831 Arvada 153 0 $128k $581k 34%
82731 Weston 47 0 – – 100%
82725 Recluse 32 0 – – 100%

Partly in Campbell County

Residential ZIP codes mainly in another county that reach at least 1% into Campbell County, by their share here
In this county
82701 Newcastle 5,459 3 $91k $231k 6%

Download the 9 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 Campbell County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Campbell County and in the neighboring counties
ZIPIn CampbellElsewhere
827016%Weston County 77%; Niobrara County 9%; Custer County 4%; Pennington County 3%
8272795%Crook County 5%
8283134%Sheridan County 34%; Johnson County 32%

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

PO Box and single-organization ZIP codes

ZIP codes in Campbell County without a residential area (GeoNames postal codes)
ZIPPostal name
82717Gillette

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Campbell County's ZIP codes use 2 prefixes: 827 and 828.

Three-digit prefixes of Campbell 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 Campbell County's
PrefixSectional centerHereAll codes
827 Casper, WY (SCF 826) 8 18
828 Casper, WY (SCF 826) 1 14

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