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County ZIP codes · Wyoming · FIPS 56027

Niobrara County, WY ZIP Codes

Niobrara County, Wyoming has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Niobrara County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $68,422 in 82225 (Lusk) to $90,922 in 82701 (Newcastle) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Niobrara County?

82222 · Lance Creek: $63k82224 · Lost Springs: –82225 · Lusk: $68k82227 · Manville: $32k82242 · Van Tassell: –82633 · Douglas: $82k82701 · Newcastle: $91k8263382701822258222282227822248224282222 · Lance Creek: $63k82224 · Lost Springs: –82225 · Lusk: $68k82227 · Manville: $32k82242 · Van Tassell: –82633 · Douglas: $82k82701 · Newcastle: $91k826338270182225822228222782222 · Lance Creek: $63k82224 · Lost Springs: –82225 · Lusk: $68k82227 · Manville: $32k82242 · Van Tassell: –82633 · Douglas: $82k82701 · Newcastle: $91k8263382701822258222282227
The residential ZIP codes of Niobrara 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: Douglas, Newcastle, Lusk, Manville, Lance Creek, Van Tassell, Lost Springs.

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

All 7 residential ZIP codes in Niobrara County

4 ZIP codes lie mainly in Niobrara County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Niobrara County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
82225 Lusk 1,616 1 $68k $229k 94%
82227 Manville 363 1 $32k $74k 100%
82222 Lance Creek 161 1 $63k $231k 100%
82242 Van Tassell 149 2 – $324k 87%

Partly in Niobrara County

Residential ZIP codes mainly in another county that reach at least 1% into Niobrara County, by their share here
In this county
82224 Lost Springs 1 0 – – 48%
82701 Newcastle 5,459 3 $91k $231k 9%
82633 Douglas 9,317 4 $82k $297k 1%

Download the 7 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 Niobrara County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Niobrara County and in the neighboring counties
ZIPIn NiobraraElsewhere
826331%Converse County 99%
827019%Weston County 77%; Campbell County 6%; Custer County 4%; Pennington County 3%
8222594%Goshen County 6%
8224287%Goshen County 13%
8222448%Converse County 52%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Niobrara County's ZIP codes use 3 prefixes: 822, 826 and 827.

Three-digit prefixes of Niobrara 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 Niobrara County's
PrefixSectional centerHereAll codes
822 Cheyenne, WY (SCF 820) 5 20
826 Casper, WY (SCF 826) 1 21
827 Casper, WY (SCF 826) 1 18

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