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Where 81633 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.
- 🔢 Type 81633 into a pocket calculator and turn it upside down: EEgIB — not quite a word, sorry.
- ➕ As a number, 81,633 = 3 × 27211. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011111011100001 - 🏠 Its numerical neighbours: 81632 (Edwards, CO, 112 mi away) and 81635 (Parachute, CO, 63 mi away).
- 🔄 Backwards, 81633 becomes 33618 — and that is a real ZIP code: Tampa, FL, 1,701 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (13368, 13638, 13683, 13863, 16833, 18336, …). The farthest-flung twin is 33186 in Miami, FL, 1,905 miles away.
- 🧭 Farther north than 60% of all ZIP codes, and farther west than 85%.
- 🎯524 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81633 and you would come out at 40.39°S, 71.53°E — 622 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
- 📏 At 118.5 square miles of land, 81633 is bigger than 82% of ZIP codes — room for about 90 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 17This ZIP17 |
| Population density | 0.0 / sq mi |
Land area
| Land area | 118.51 sq miThis ZIP118.51 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 81633
| ZIP | City | Distance |
|---|---|---|
81640 | Maybell, CO | 19.6 mi |
81610 | Dinosaur, CO | 20.8 mi |
81648 | Rangely, CO | 37.5 mi |
81641 | Meeker, CO | 39.3 mi |
84035 | Jensen, UT | 43.4 mi |
81638 | Hamilton, CO | 43.9 mi |
81625 | Craig, CO | 44.3 mi |
84008 | Bonanza, UT | 45.4 mi |
81650 | Rifle, CO | 47.8 mi |
81626 | Craig, CO | 49.3 mi |
Find every ZIP code within 10 miles of 81633 →
Questions about this ZIP code
Where is ZIP code 81633?
81633 is in Dinosaur, Colorado, in Moffat County, part of the Steamboat Springs, CO micropolitan area. Its published point location is 40.3874, -108.4690.
What county is 81633 in?
81633 lies in Moffat County.
What area code is 81633?
Dinosaur uses area code 970, from NANPA's telephone records.
What time zone is 81633 in?
81633 uses America/Denver.
How many people live in 81633?
About 0 people live in ZIP code 81633. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 81633?
The closest are 81640 (19.6 mi), 81610 (20.8 mi), 81648 (37.5 mi), 81641 (39.3 mi) and 84035 (43.4 mi).
Is 81633 a PO Box ZIP code?
81633 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81633 ZIP Code — Dinosaur, Colorado (Moffat County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81633
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81633.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.