Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/WY/JOHNSTOWN

Johnstown ZIP codes, Wyoming

No ZIP code is named for Johnstown, WY; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 82501 and 82516. Its area code is 307.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
253
Area code
307
State
Wyoming

NANPA lists no telephone rate centre for Johnstown itself, so these are the area codes of the nearest one, Riverton (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Johnstown in numbers

About 253 people live in Johnstown, in 77 households. The median household income is $41,875 a year, 45% below the Wyoming median of $76,176 (US: $80,734). The median age is 59.3; 8.9% of adults 25 and over hold a bachelor's degree or higher (30.6% across Wyoming); the average commute takes 28 minutes.

Population253Johnstown253
Households77Johnstown77
Median age59.3Johnstown59.3Wyoming39.1US 38.9
Median household income$41,875Johnstown$41,875Wyoming$76,176US $80,734
Bachelor's degree or higher8.9%Johnstown8.9%Wyoming30.6%US 35.7%
Mean commute27.8 minJohnstown27.8 minWyoming18.8 minUS 26.4 min
Population density8 / sq miJohnstown8 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Johnstown CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Johnstown

These ZIP codes cover part of Johnstown but are addressed as somewhere else.

ZIP codes overlapping Johnstown
ZIP City Type Population Median income Median home
82501 Riverton , WY Standard 19,413 $60,449 $237,800
82516 Kinnear , WY Standard 299 $40,208 —

Map of Johnstown ZIP codes

8250182516

The ZIP codes of Johnstown, WY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Johnstown

The nearest larger towns are Ethete (1,326 people, 8.0 mi), Pavillion (318 people, 9.0 mi) and Fort Washakie (1,219 people, 14 mi).

Towns near Johnstown
TownPopulationDistance
Riverton 10,856 16.7 mi
Lander 7,432 19.7 mi

More nearby: every ZIP code in Fremont County · Wyoming ZIP codes

Cite this page

zipcodes.pro. “Johnstown, WY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wy/johnstown

Underlying data is public domain or openly licensed — sources, vintages and licences.