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 — ZIP/81602

81602

ZIP 81602 is in Glenwood Springs, Colorado, in Garfield County; area code 970; Mountain time. Glenwood Springs has 2 ZIP codes; the other is 81601.

Type
No street area
Time zone
America/Denver
County
Garfield
Metro area
Rifle, CO
Coordinates
39.5505, -107.3248

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 81601, whose figures describe that area — not this ZIP code.

☼ Live from 81602 — Glenwood Springs, CO

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Where 81602 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 81602
  • 🔢 Type 81602 into a pocket calculator and turn it upside down: ZOgIB — not quite a word, sorry.
  • ➕ As a number, 81,602 = 2 × 40801. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011111011000010
  • 🏠 Its numerical neighbours: 81601 (Glenwood Springs, CO, 3 mi away) and 81610 (Dinosaur, CO, 95 mi away).
  • 🔄 Backwards, 81602 becomes 20618 — and that is a real ZIP code: Bushwood, MD, 1,636 miles away.
  • 👥 52 other ZIP codes are made of exactly the same digits (01826, 01862, 02186, 02816, 02861, 06128, …). The farthest-flung twin is 02186 in Milton, MA, 1,888 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther west than 85%.
  • 🎯465 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 81602 and you would come out at 39.55°S, 72.68°E — 688 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
🌙 The sky over 81602 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments25This ZIP25
Employees192This ZIP192
Annual payroll$14,620,000This ZIP$14,620,000

Land area

ZIP codes near 81602

ZIPCityDistance
81601 Glenwood Springs, CO 2.7 mi
81647 New Castle, CO 11.3 mi
81652 Silt, CO 19.5 mi
81637 Gypsum, CO 19.6 mi
81623 Carbondale, CO 22.7 mi
81621 Basalt, CO 26.7 mi
81654 Snowmass, CO 28.1 mi
80426 Burns, CO 28.6 mi
81631 Eagle, CO 29.9 mi
81615 Snowmass Village, CO 31.0 mi

Find every ZIP code within 10 miles of 81602 →

Questions about this ZIP code

Where is ZIP code 81602?

81602 is in Glenwood Springs, Colorado, in Garfield County, part of the Rifle, CO micropolitan area. Its published point location is 39.5505, -107.3248.

What county is 81602 in?

81602 lies in Garfield County.

What area code is 81602?

Glenwood Springs uses area code 970, from NANPA's telephone records.

What time zone is 81602 in?

81602 uses America/Denver.

What ZIP codes are near 81602?

The closest are 81601 (2.7 mi), 81647 (11.3 mi), 81652 (19.5 mi), 81637 (19.6 mi) and 81623 (22.7 mi).

Is 81602 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “81602 ZIP Code — Glenwood Springs, Colorado (Garfield County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81602

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