80533

ZIP 80533 is Hygiene, Colorado, in Boulder County; area codes 720, 303 and 983; Mountain time.

Type: No street area
Time zone: America/Denver
County: Boulder
Metro area: Boulder, CO
Coordinates: 40.1815, -105.2327

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 80503, whose figures describe that area — not this ZIP code.

☼ Live from 80533 — Hygiene, CO

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Where 80533 is

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This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 80533

🔢 Type 80533 into a pocket calculator and turn it upside down: EESOB — not quite a word, sorry.
➕ As a number, 80,533 = 29 × 2777. Its digits add up to 19, a total 2,454 other ZIP codes share.
💾In binary, the way a computer stores it: 10011101010010101
🏠 Its numerical neighbours: 80532 (Glen Haven, CO, 24 mi away) and 80534 (Johnstown, CO, 19 mi away).
🔄 Backwards, 80533 becomes 33508 — and that is a real ZIP code: Brandon, FL, 1,555 miles away.
👥 28 other ZIP codes are made of exactly the same digits (03583, 03835, 03853, 05833, 08353, 08533, …). The farthest-flung twin is 03835 in Farmington, NH, 1,762 miles away.
🧭 Farther north than 58% of all ZIP codes, and farther west than 83%.
🎯353 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 80533 and you would come out at 40.18°S, 74.77°E — 671 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 18m.

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Land area

ZIP codes near 80533

ZIP	City	Distance
`80503`	Longmont, CO	1.5 mi
`80544`	Niwot, CO	6.3 mi
`80502`	Longmont, CO	7.0 mi
`80501`	Longmont, CO	7.0 mi
`80540`	Lyons, CO	9.3 mi
`80301`	Boulder, CO	9.5 mi
`80306`	Boulder, CO	9.7 mi
`80307`	Boulder, CO	9.9 mi
`80314`	Boulder, CO	9.9 mi
`80304`	Boulder, CO	9.9 mi

Find every ZIP code within 10 miles of 80533 →

Questions about this ZIP code

Where is ZIP code 80533?

80533 is in Hygiene, Colorado, in Boulder County, part of the Boulder, CO metropolitan area. Its published point location is 40.1815, -105.2327.

What county is 80533 in?

80533 lies in Boulder County.

What area code is 80533?

Hygiene uses area codes 720, 303 and 983, from NANPA's telephone records.

What time zone is 80533 in?

80533 uses America/Denver.

What ZIP codes are near 80533?

The closest are 80503 (1.5 mi), 80544 (6.3 mi), 80502 (7 mi), 80501 (7 mi) and 80540 (9.3 mi).

Is 80533 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “80533 ZIP Code — Hygiene, Colorado (Boulder County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80533

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/80533.json

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