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Where 81433 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 81433 into a pocket calculator and turn it upside down: EEhIB — not quite a word, sorry.
- ➕ As a number, 81,433 = 11 × 11 × 673. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011111000011001 - 🏠 Its numerical neighbours: 81432 (Ridgway, CO, 30 mi away) and 81434 (Somerset, CO, 87 mi away).
- 🔄 Backwards, 81433 becomes 33418 — and that is a real ZIP code: Palm Beach Gardens, FL, 1,759 miles away.
- 👥 29 other ZIP codes are made of exactly the same digits (13348, 13438, 13483, 13834, 13843, 18334, …). The farthest-flung twin is 33184 in Miami, FL, 1,789 miles away.
- 🧭 Farther south than 60% of all ZIP codes, and farther west than 85%.
- 🎯506 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81433 and you would come out at 37.72°S, 72.42°E — 811 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 33m.
- 📏 At 223.7 square miles of land, 81433 is bigger than 92% of ZIP codes — room for about 170 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 651This ZIP651 |
|---|---|
| Households | 366This ZIP366 |
| Housing units | 583This ZIP583 |
| Median age | 35.6This ZIP35.6Colorado37.7US 38.9 |
| Median household income | $62,317This ZIP$62,317Colorado$95,470US $80,734 |
| Median home value | $452,600This ZIP$452,600Colorado$539,400US $332,700 |
| Median gross rent | $992This ZIP$992Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 51.0%This ZIP51.0% |
| Mean commute | 14.0 minThis ZIP14.0 min |
| Population density | 2.9 / sq miThis ZIP2.9 / sq mi |
Business and tax activity
| Business establishments | 75This ZIP75 |
|---|---|
| Employees | 261This ZIP261 |
| Annual payroll | $10,614,000This ZIP$10,614,000 |
Land area
| Land area | 223.70 sq miThis ZIP223.70 sq mi |
|---|---|
| Water area | 0.59 sq miThis ZIP0.59 sq mi |
Other place names in 81433
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81433
| ZIP | City | Distance |
|---|---|---|
81426 | Ophir, CO | 16.5 mi |
81301 | Durango, CO | 18.8 mi |
81235 | Lake City, CO | 19.3 mi |
81427 | Ouray, CO | 21.1 mi |
81435 | Telluride, CO | 21.4 mi |
81332 | Rico, CO | 22.6 mi |
81130 | Creede, CO | 26.4 mi |
81122 | Bayfield, CO | 29.1 mi |
81432 | Ridgway, CO | 29.6 mi |
81323 | Dolores, CO | 29.9 mi |
Find every ZIP code within 10 miles of 81433 →
Questions about this ZIP code
Where is ZIP code 81433?
81433 is in Silverton, Colorado, in San Juan County. Its published point location is 37.7220, -107.5794.
What county is 81433 in?
81433 lies in San Juan County.
What area code is 81433?
Silverton uses area code 970, from NANPA's telephone records.
What time zone is 81433 in?
81433 uses America/Denver.
How many people live in 81433?
About 651 people live in ZIP code 81433, in 366 households, at 2.9 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 81433?
$62,317 a year, against $95,470 across Colorado.
What ZIP codes are near 81433?
The closest are 81426 (16.5 mi), 81301 (18.8 mi), 81235 (19.3 mi), 81427 (21.1 mi) and 81435 (21.4 mi).
Is 81433 a PO Box ZIP code?
81433 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81433 ZIP Code — Silverton, Colorado (San Juan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81433
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81433.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.