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Where 80544 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 80544 into a pocket calculator and turn it upside down: hhSOB — not quite a word, sorry.
- ➕ As a number, 80,544 = 2 × 2 × 2 × 2 × 2 × 3 × 839. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011101010100000 - 🏠 Its numerical neighbours: 80543 (Milliken, CO, 24 mi away) and 80545 (Red Feather Lakes, CO, 58 mi away).
- 🔄 Backwards, 80544 becomes 44508, which is not a ZIP code at all.
- 👥 28 other ZIP codes are made of exactly the same digits (04485, 04548, 04854, 05448, 08544, 40845, …). The farthest-flung twin is 04854 in Owls Head, ME, 1,855 miles away.
- 🧭 Farther north than 57% of all ZIP codes, and farther west than 83%.
- 🎯350 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 80544 and you would come out at 40.10°S, 74.83°E — 677 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 19m.
- 📏 At 0.056 square miles of land, 80544 is bigger than 1% of ZIP codes — about 27 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Population density | 0.0 / sq mi |
Business and tax activity
| Business establishments | 38This ZIP38 |
|---|---|
| Employees | 252This ZIP252 |
| Annual payroll | $13,836,000This ZIP$13,836,000 |
Land area
| Land area | 0.06 sq miThis ZIP0.06 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 80544
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 80544
| ZIP | City | Distance |
|---|---|---|
80301 | Boulder, CO | 4.3 mi |
80503 | Longmont, CO | 5.0 mi |
80501 | Longmont, CO | 5.6 mi |
80502 | Longmont, CO | 5.8 mi |
80533 | Hygiene, CO | 6.3 mi |
80026 | Lafayette, CO | 7.3 mi |
80304 | Boulder, CO | 7.4 mi |
80309 | Boulder, CO | 8.0 mi |
80310 | Boulder, CO | 8.3 mi |
80504 | Longmont, CO | 8.7 mi |
Find every ZIP code within 10 miles of 80544 →
Questions about this ZIP code
Where is ZIP code 80544?
80544 is in Niwot, Colorado, in Boulder County, part of the Boulder, CO metropolitan area. Its published point location is 40.1031, -105.1715.
What county is 80544 in?
80544 lies in Boulder County.
What area code is 80544?
Niwot uses area codes 720, 303 and 983, from NANPA's telephone records.
What time zone is 80544 in?
80544 uses America/Denver.
How many people live in 80544?
About 0 people live in ZIP code 80544. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 80544?
The closest are 80301 (4.3 mi), 80503 (5 mi), 80501 (5.6 mi), 80502 (5.8 mi) and 80533 (6.3 mi).
Is 80544 a PO Box ZIP code?
80544 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “80544 ZIP Code — Niwot, Colorado (Boulder County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80544
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/80544.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.