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ZIP code 83121: Frontier, WY

83121 is a ZIP code in Frontier, Wyoming, mainly in Lincoln County.

Population
0
Median household income
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Typical home value
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Median rent
—gross, per month
Median age
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Homeowners
—of occupied homes
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Shaded: ZIP code 83121's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 83121 details

CityFrontier
StateWyoming
CountyLincoln County
Metro areaNot in a metro or micro area
Time zoneMountain Time (UTC−7), observes daylight saving time
TypeStandard (delivery area)
Land area2.9 sq mi
Center coordinates41.84986, -110.54030

ZIP codes near 83121

ZIP codeCityDistancePopulation
83116Diamondville, WY6.3 mi619
83101Kemmerer, WY8.8 mi3,731
83124Opal, WY13.2 mi96
83114Cokeville, WY27.6 mi635
83123La Barge, WY30.2 mi679
84064Randolph, UT31.6 mi846
82934Granger, WY32.5 mi285
84038Laketown, UT37.3 mi646

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

About ZIP code 83121

What city is ZIP code 83121?

ZIP code 83121 is in Frontier, WY, in Lincoln County.

What county is ZIP code 83121 in?

83121 is mainly in Lincoln County, Wyoming.

What time zone is ZIP code 83121 in?

83121 is in Mountain Time (UTC−7). It observes daylight saving time.