81129
ZIP 81129 is Conejos, Colorado, in Conejos County; area code 719; Mountain time.
- Type
- Standard
- Time zone
- America/Denver
- County
- Conejos
- Metro area
- Alamosa, CO
- Population
- 118
- Coordinates
- 37.1050, -106.0217
Weather right now
Asking the National Weather Service…
Where 81129 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 81129 into a pocket calculator and turn it upside down: GZIIB — not quite a word, sorry.
- ➕ As a number, 81,129 = 3 × 27043. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011110011101001 - 🏠 Its numerical neighbours: 81128 (Chromo, CO, 33 mi away) and 81130 (Creede, CO, 72 mi away).
- 🔄 Backwards, 81129 becomes 92118 — and that is a real ZIP code: Coronado, CA, 703 miles away.
- 👥 20 other ZIP codes are made of exactly the same digits (12189, 12198, 12819, 12918, 12981, 18219, …). The farthest-flung twin is 12819 in Clemons, NY, 1,759 miles away.
- 🧭 Farther south than 64% of all ZIP codes, and farther west than 83%.
- 🎯444 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81129 and you would come out at 37.10°S, 73.98°E — 867 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 43m of daylight. Shortest: 9h 36m.
- 📏 At 2.6 square miles of land, 81129 is bigger than 13% of ZIP codes — room for about 2.0 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 118This ZIP118 |
|---|---|
| Households | 57This ZIP57 |
| Housing units | 57This ZIP57 |
| Median age | 34.9This ZIP34.9Colorado37.7US 38.9 |
| Bachelor's degree or higher | 0.0% |
| Population density | 45.3 / sq miThis ZIP45.3 / sq mi |
Land area
| Land area | 2.61 sq miThis ZIP2.61 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 81129
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81129
| ZIP | City | Distance |
|---|---|---|
81148 | Romeo, CO | 5.0 mi |
81141 | Manassa, CO | 8.1 mi |
81124 | Capulin, CO | 13.3 mi |
81140 | La Jara, CO | 15.5 mi |
81120 | Antonito, CO | 19.1 mi |
81151 | Sanford, CO | 19.4 mi |
81138 | Jaroso, CO | 22.5 mi |
81102 | Alamosa, CO | 26.8 mi |
81101 | Alamosa, CO | 26.8 mi |
87524 | Costilla, NM | 28.3 mi |
Find every ZIP code within 10 miles of 81129 →
Questions about this ZIP code
Where is ZIP code 81129?
81129 is in Conejos, Colorado, in Conejos County, part of the Alamosa, CO micropolitan area. Its published point location is 37.1050, -106.0217.
What county is 81129 in?
81129 lies in Conejos County.
What area code is 81129?
Conejos uses area code 719, from NANPA's telephone records.
What time zone is 81129 in?
81129 uses America/Denver.
How many people live in 81129?
About 118 people live in ZIP code 81129, in 57 households, at 45.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 81129?
The closest are 81148 (5 mi), 81141 (8.1 mi), 81124 (13.3 mi), 81140 (15.5 mi) and 81120 (19.1 mi).
Is 81129 a PO Box ZIP code?
81129 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81129 ZIP Code — Conejos, Colorado (Conejos County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81129
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81129.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.