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/ROCK-SPRINGS

Rock Springs ZIP codes, Wyoming

Rock Springs, WY has 2 ZIP codes (82901 and 82902) and area code 307. The largest is 82901.

USPS city name
2 ZIP codes
Population
23,127
Area code
307
State
Wyoming

Rock Springs in numbers

About 23,127 people live in Rock Springs, in 9,625 households, the 5th-largest of Wyoming's 192 census places. The median household income is $69,168 a year, 9% below the Wyoming median of $76,176 (US: $80,734). The median owner-occupied home is valued at $256,200 (17% below the Wyoming median), and median gross rent is $928 a month. The median age is 35.9; 21.9% of adults 25 and over hold a bachelor's degree or higher (30.6% across Wyoming); the average commute takes 23 minutes.

Population23,127Rock Springs23,127
Households9,625Rock Springs9,625
Median age35.9Rock Springs35.9Wyoming39.1US 38.9
Median household income$69,168Rock Springs$69,168Wyoming$76,176US $80,734
Median home value$256,200Rock Springs$256,200Wyoming$309,700US $332,700
Median gross rent$928Rock Springs$928Wyoming$992US $1,413
Bachelor's degree or higher21.9%Rock Springs21.9%Wyoming30.6%US 35.7%
Mean commute22.5 minRock Springs22.5 minWyoming18.8 minUS 26.4 min
Population density1,171 / sq miRock Springs1,171 / sq mi

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

ZIP codes addressed as Rock Springs

ZIP codes with the USPS city name Rock Springs
ZIP City Type Population Median income Median home
82901 Rock Springs , WY Standard 27,198 $69,954 $248,500
82902 Rock Springs , WY No street area — — —

Map of Rock Springs ZIP codes

8290182902

The ZIP codes of Rock Springs, 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 Rock Springs

Towns near Rock Springs
TownPopulationDistance
Green River 11,581 14.1 mi

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

Cite this page

zipcodes.pro. “Rock Springs, WY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wy/rock-springs

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