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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 — ZIP/82901

82901

ZIP 82901 is in Rock Springs, Wyoming, in Sweetwater County; area code 307; Mountain time. Rock Springs has 2 ZIP codes; the other is 82902.

Type
Standard
Time zone
America/Denver
County
Sweetwater
Metro area
Rock Springs, WY
Population
27,198
Coordinates
41.3793, -108.9782
☼ Live from 82901 — Rock Springs, WY

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Local time: —

Where 82901 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 82901
  • 🔢 Type 82901 into a pocket calculator and turn it upside down: IOGZB — not quite a word, sorry.
  • ➕ As a number, 82,901 = 7 × 13 × 911. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100001111010101
  • 🏠 Its numerical neighbours: 82845 (Wyarno, WY, 260 mi away) and 82902 (Rock Springs, WY, 19 mi away).
  • 🔄 Backwards, 82901 becomes 10928 — and that is a real ZIP code: Highland Falls, NY, 1,801 miles away.
  • 👥 59 other ZIP codes are made of exactly the same digits (01982, 02189, 02891, 02918, 08219, 09128, …). The farthest-flung twin is 09812 in APO AE, a military post office, 7,246 miles away.
  • 🧭 Farther north than 70% of all ZIP codes, and farther west than 85%.
  • 🎯556 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 82901 and you would come out at 41.38°S, 71.02°E — 552 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
  • 📏 At 1,077.5 square miles of land, 82901 is bigger than 99% of ZIP codes — room for about 818 Central Parks.
🌙 The sky over 82901 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population27,198This ZIP27,198
Households11,583This ZIP11,583
Housing units12,661This ZIP12,661
Median age37.3This ZIP37.3Wyoming39.1US 38.9
Median household income$69,954This ZIP$69,954Wyoming$76,176US $80,734
Median home value$248,500This ZIP$248,500Wyoming$309,700US $332,700
Median gross rent$908This ZIP$908Wyoming$992US $1,413
Bachelor's degree or higher20.9%This ZIP20.9%
Mean commute23.6 minThis ZIP23.6 min
Population density25.2 / sq miThis ZIP25.2 / sq mi

Business and tax activity

Business establishments859This ZIP859
Employees8,783This ZIP8,783
Annual payroll$463,286,000This ZIP$463,286,000
Tax returns filed12,190This ZIP12,190
Total adjusted gross income$962,606,000This ZIP$962,606,000

Land area

Land area1,077.46 sq miThis ZIP1,077.46 sq mi
Water area0.08 sq miThis ZIP0.08 sq mi

Other place names in 82901

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 82901

ZIPCityDistance
82902 Rock Springs, WY 18.5 mi
82945 Superior, WY 23.6 mi
82943 Reliance, WY 24.7 mi
82942 Point Of Rocks, WY 24.7 mi
84023 Dutch John, UT 35.2 mi
82935 Green River, WY 40.9 mi
82336 Wamsutter, WY 45.5 mi
82929 Little America, WY 48.4 mi
82938 Mc Kinnon, WY 51.7 mi
84046 Manila, UT 51.8 mi

Find every ZIP code within 10 miles of 82901 →

Questions about this ZIP code

Where is ZIP code 82901?

82901 is in Rock Springs, Wyoming, in Sweetwater County, part of the Rock Springs, WY micropolitan area. Its published point location is 41.3793, -108.9782.

What county is 82901 in?

82901 lies in Sweetwater County.

What area code is 82901?

Rock Springs uses area code 307, from NANPA's telephone records.

What time zone is 82901 in?

82901 uses America/Denver.

How many people live in 82901?

About 27,198 people live in ZIP code 82901, in 11,583 households, at 25.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 82901?

$69,954 a year, against $76,176 across Wyoming.

What ZIP codes are near 82901?

The closest are 82902 (18.5 mi), 82945 (23.6 mi), 82943 (24.7 mi), 82942 (24.7 mi) and 84023 (35.2 mi).

Is 82901 a PO Box ZIP code?

82901 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “82901 ZIP Code — Rock Springs, Wyoming (Sweetwater County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/82901

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