81221
ZIP 81221 is Coal Creek, Colorado, in Fremont County; area code 719; Mountain time.
- Type
- Standard
- Time zone
- America/Denver
- County
- Fremont
- Metro area
- Cañon City, CO
- Population
- 324
- Coordinates
- 38.3624, -105.1424
Weather right now
Asking the National Weather Service…
Where 81221 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 81221 into a pocket calculator and turn it upside down: IZZIB — not quite a word, sorry.
- ➕ As a number, 81,221 = 7 × 41 × 283. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011110101000101 - 🏠 Its numerical neighbours: 81220 (Cimarron, CO, 127 mi away) and 81222 (Coaldale, CO, 37 mi away).
- 🔄 Backwards, 81221 becomes 12218, which is not a ZIP code at all.
- 👥 18 other ZIP codes are made of exactly the same digits (11228, 12128, 12182, 12812, 12821, 18212, …). The farthest-flung twin is 12821 in Comstock, NY, 1,682 miles away.
- 🧭 Farther south than 56% of all ZIP codes, and farther west than 83%.
- 🎯366 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81221 and you would come out at 38.36°S, 74.86°E — 793 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 29m.
- 📏 At 1.1 square miles of land, 81221 is bigger than 9% of ZIP codes — about 555 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 324This ZIP324 |
|---|---|
| Households | 134This ZIP134 |
| Housing units | 143This ZIP143 |
| Median age | 46.2This ZIP46.2Colorado37.7US 38.9 |
| Median household income | $34,000This ZIP$34,000Colorado$95,470US $80,734 |
| Median home value | $199,000This ZIP$199,000Colorado$539,400US $332,700 |
| Median gross rent | $1,225This ZIP$1,225Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 12.4%This ZIP12.4% |
| Mean commute | 34.7 minThis ZIP34.7 min |
| Population density | 282.7 / sq miThis ZIP282.7 / sq mi |
Land area
| Land area | 1.15 sq miThis ZIP1.15 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 81221
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81221
| ZIP | City | Distance |
|---|---|---|
81244 | Rockvale, CO | 1.2 mi |
81290 | Florence, CO | 2.3 mi |
81226 | Florence, CO | 3.3 mi |
81240 | Penrose, CO | 11.2 mi |
81253 | Wetmore, CO | 14.0 mi |
81007 | Pueblo, CO | 18.8 mi |
81212 | Canon City, CO | 19.6 mi |
81215 | Canon City, CO | 19.8 mi |
81005 | Pueblo, CO | 19.8 mi |
80926 | Colorado Springs, CO | 22.8 mi |
Find every ZIP code within 10 miles of 81221 →
Questions about this ZIP code
Where is ZIP code 81221?
81221 is in Coal Creek, Colorado, in Fremont County, part of the Cañon City, CO micropolitan area. Its published point location is 38.3624, -105.1424.
What county is 81221 in?
81221 lies in Fremont County.
What area code is 81221?
Coal Creek uses area code 719, from NANPA's telephone records.
What time zone is 81221 in?
81221 uses America/Denver.
How many people live in 81221?
About 324 people live in ZIP code 81221, in 134 households, at 282.7 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 81221?
$34,000 a year, against $95,470 across Colorado.
What ZIP codes are near 81221?
The closest are 81244 (1.2 mi), 81290 (2.3 mi), 81226 (3.3 mi), 81240 (11.2 mi) and 81253 (14 mi).
Is 81221 a PO Box ZIP code?
81221 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81221 ZIP Code — Coal Creek, Colorado (Fremont County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81221
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81221.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.