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/81124

81124

ZIP 81124 is Capulin, Colorado, in Conejos County; area code 719; Mountain time.

Type
Standard
Time zone
America/Denver
County
Conejos
Metro area
Alamosa, CO
Population
259
Coordinates
37.2854, -106.1069
☼ Live from 81124 — Capulin, CO

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 81124 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 81124
  • 🔢 Type 81124 into a pocket calculator and turn it upside down: hZIIB — not quite a word, sorry.
  • ➕ As a number, 81,124 = 2 × 2 × 17 × 1193. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011110011100100
  • 🏠 Its numerical neighbours: 81123 (Blanca, CO, 31 mi away) and 81125 (Center, CO, 37 mi away).
  • 🔄 Backwards, 81124 becomes 42118, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (11428, 12148, 12184, 12418, 12481, 12814, …). The farthest-flung twin is 12841 in Huletts Landing, NY, 1,756 miles away.
  • 🧭 Farther south than 63% of all ZIP codes, and farther west than 84%.
  • 🎯443 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 81124 and you would come out at 37.29°S, 73.89°E — 853 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 44m of daylight. Shortest: 9h 35m.
  • 📏 At 2.9 square miles of land, 81124 is bigger than 14% of ZIP codes — room for about 2.2 Central Parks.
🌙 The sky over 81124 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population259This ZIP259
Households88This ZIP88
Housing units88This ZIP88
Median age44.8This ZIP44.8Colorado37.7US 38.9
Median household income$88,793This ZIP$88,793Colorado$95,470US $80,734
Median home value$79,300This ZIP$79,300Colorado$539,400US $332,700
Bachelor's degree or higher20.5%This ZIP20.5%
Population density88.9 / sq miThis ZIP88.9 / sq mi

Land area

Land area2.92 sq miThis ZIP2.92 sq mi
Water area0.00 sq mi

Other place names in 81124

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

ZIP codes near 81124

ZIPCityDistance
81140 La Jara, CO 3.1 mi
81148 Romeo, CO 10.3 mi
81129 Conejos, CO 13.3 mi
81141 Manassa, CO 14.5 mi
81120 Antonito, CO 14.7 mi
81102 Alamosa, CO 18.1 mi
81144 Monte Vista, CO 18.6 mi
81101 Alamosa, CO 18.9 mi
81135 Homelake, CO 20.1 mi
81151 Sanford, CO 22.0 mi

Find every ZIP code within 10 miles of 81124 →

Questions about this ZIP code

Where is ZIP code 81124?

81124 is in Capulin, Colorado, in Conejos County, part of the Alamosa, CO micropolitan area. Its published point location is 37.2854, -106.1069.

What county is 81124 in?

81124 lies in Conejos County.

What area code is 81124?

Capulin uses area code 719, from NANPA's telephone records.

What time zone is 81124 in?

81124 uses America/Denver.

How many people live in 81124?

About 259 people live in ZIP code 81124, in 88 households, at 88.9 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 81124?

$88,793 a year, against $95,470 across Colorado.

What ZIP codes are near 81124?

The closest are 81140 (3.1 mi), 81148 (10.3 mi), 81129 (13.3 mi), 81141 (14.5 mi) and 81120 (14.7 mi).

Is 81124 a PO Box ZIP code?

81124 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “81124 ZIP Code — Capulin, Colorado (Conejos County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81124

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/81124.json

Underlying data is public domain or openly licensed — sources, vintages and licences.