81647
ZIP 81647 is New Castle, Colorado, in Garfield County; area code 970; Mountain time.
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Where 81647 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 81647 into a pocket calculator and turn it upside down: LhgIB — not quite a word, sorry.
- ➕ 81647 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011111011101111 - 🏠 Its numerical neighbours: 81646 (Molina, CO, 41 mi away) and 81648 (Rangely, CO, 71 mi away).
- 🔄 Backwards, 81647 becomes 74618, which is not a ZIP code at all.
- 👥 46 other ZIP codes are made of exactly the same digits (14786, 14867, 14876, 16748, 16847, 16874, …). The farthest-flung twin is 18764 in Wilkes Barre, PA, 1,660 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther west than 85%.
- 🎯476 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81647 and you would come out at 39.58°S, 72.47°E — 684 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 284.9 square miles of land, 81647 is bigger than 94% of ZIP codes — room for about 216 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,882This ZIP6,882 |
|---|---|
| Households | 2,720This ZIP2,720 |
| Housing units | 2,868This ZIP2,868 |
| Median age | 35.0This ZIP35.0Colorado37.7US 38.9 |
| Median household income | $78,352This ZIP$78,352Colorado$95,470US $80,734 |
| Median home value | $456,200This ZIP$456,200Colorado$539,400US $332,700 |
| Median gross rent | $1,520This ZIP$1,520Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 29.0%This ZIP29.0% |
| Mean commute | 31.5 minThis ZIP31.5 min |
| Population density | 24.2 / sq miThis ZIP24.2 / sq mi |
Business and tax activity
| Business establishments | 204This ZIP204 |
|---|---|
| Employees | 965This ZIP965 |
| Annual payroll | $49,514,000This ZIP$49,514,000 |
| Tax returns filed | 3,460This ZIP3,460 |
| Total adjusted gross income | $276,581,000This ZIP$276,581,000 |
Land area
| Land area | 284.86 sq miThis ZIP284.86 sq mi |
|---|---|
| Water area | 0.70 sq miThis ZIP0.70 sq mi |
Other place names in 81647
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81647
| ZIP | City | Distance |
|---|---|---|
81601 | Glenwood Springs, CO | 10.4 mi |
81652 | Silt, CO | 10.8 mi |
81602 | Glenwood Springs, CO | 11.3 mi |
81637 | Gypsum, CO | 26.5 mi |
81636 | Battlement Mesa, CO | 28.1 mi |
81635 | Parachute, CO | 28.6 mi |
81623 | Carbondale, CO | 30.3 mi |
81624 | Collbran, CO | 31.1 mi |
81650 | Rifle, CO | 33.1 mi |
80426 | Burns, CO | 35.3 mi |
Find every ZIP code within 10 miles of 81647 →
Questions about this ZIP code
Where is ZIP code 81647?
81647 is in New Castle, Colorado, in Garfield County, part of the Rifle, CO micropolitan area. Its published point location is 39.5791, -107.5329.
What county is 81647 in?
81647 lies in Garfield County.
What area code is 81647?
New Castle uses area code 970, from NANPA's telephone records.
What time zone is 81647 in?
81647 uses America/Denver.
How many people live in 81647?
About 6,882 people live in ZIP code 81647, in 2,720 households, at 24.2 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 81647?
$78,352 a year, against $95,470 across Colorado.
What ZIP codes are near 81647?
The closest are 81601 (10.4 mi), 81652 (10.8 mi), 81602 (11.3 mi), 81637 (26.5 mi) and 81636 (28.1 mi).
Is 81647 a PO Box ZIP code?
81647 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81647 ZIP Code — New Castle, Colorado (Garfield County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81647
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81647.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.