85721
ZIP 85721 is in Tucson, Arizona, in Pima County; area code 520; Mountain Standard Time all year. Tucson has 54 ZIP codes in all.
- Type
- Standard
- Time zone
- America/Phoenix
- County
- Pima
- Metro area
- Tucson, AZ
- Population
- 0
- Coordinates
- 32.2311, -110.9496
Weather right now
Asking the National Weather Service…
Where 85721 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 85721 into a pocket calculator and turn it upside down: IZLSB — not quite a word, sorry.
- ➕ As a number, 85,721 = 23 × 3727. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10100111011011001 - 🏠 Its numerical neighbours: 85720 (Tucson, AZ, 1 mi away) and 85722 (Tucson, AZ, 1 mi away).
- 🔄 Backwards, 85721 becomes 12758 — and that is a real ZIP code: Livingston Manor, NY, 2,088 miles away.
- 👥 48 other ZIP codes are made of exactly the same digits (12578, 12758, 12785, 12857, 15278, 15728, …). The farthest-flung twin is 12857 in Olmstedville, NY, 2,146 miles away.
- 🧭 Farther south than 87% of all ZIP codes, and farther west than 86%.
- 🎯867 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 85721 and you would come out at 32.23°S, 69.05°E — 1,098 miles from Port Louis, Mauritius, the nearest big city to that spot.
- ☀Longest day of the year: 14h 16m of daylight. Shortest: 10h 02m.
- 📏 At 0.015 square miles of land, 85721 is bigger than 0% of ZIP codes — about 7 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 | 11This ZIP11 |
|---|---|
| Employees | 99This ZIP99 |
| Annual payroll | $2,598,000This ZIP$2,598,000 |
Land area
| Land area | 0.02 sq miThis ZIP0.02 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 85721
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 85721
| ZIP | City | Distance |
|---|---|---|
85724 | Tucson, AZ | 0.7 mi |
85719 | Tucson, AZ | 1.0 mi |
85702 | Tucson, AZ | 1.5 mi |
85703 | Tucson, AZ | 1.5 mi |
85717 | Tucson, AZ | 1.5 mi |
85720 | Tucson, AZ | 1.5 mi |
85722 | Tucson, AZ | 1.5 mi |
85725 | Tucson, AZ | 1.5 mi |
85728 | Tucson, AZ | 1.5 mi |
85731 | Tucson, AZ | 1.5 mi |
Find every ZIP code within 10 miles of 85721 →
Questions about this ZIP code
Where is ZIP code 85721?
85721 is in Tucson, Arizona, in Pima County, part of the Tucson, AZ metropolitan area. Its published point location is 32.2311, -110.9496.
What county is 85721 in?
85721 lies in Pima County.
What area code is 85721?
Tucson uses area code 520, from NANPA's telephone records.
What time zone is 85721 in?
85721 uses America/Phoenix.
How many people live in 85721?
About 0 people live in ZIP code 85721. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 85721?
The closest are 85724 (0.7 mi), 85719 (1 mi), 85702 (1.5 mi), 85703 (1.5 mi) and 85717 (1.5 mi).
Is 85721 a PO Box ZIP code?
85721 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “85721 ZIP Code — Tucson, Arizona (Pima County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85721
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/85721.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.