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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/85723

85723

ZIP 85723 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
244
Coordinates
32.1819, -110.9650
☼ Live from 85723 — Tucson, AZ

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Local time: —

Where 85723 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.

★ Weird and wonderful facts about 85723
  • 🔢 Type 85723 into a pocket calculator and turn it upside down: EZLSB — not quite a word, sorry.
  • ➕ As a number, 85,723 = 11 × 7793. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100111011011011
  • 🏠 Its numerical neighbours: 85722 (Tucson, AZ, 4 mi away) and 85724 (Tucson, AZ, 4 mi away).
  • 🔄 Backwards, 85723 becomes 32758, which is not a ZIP code at all.
  • 👥 57 other ZIP codes are made of exactly the same digits (23857, 23875, 25387, 25837, 25873, 27358, …). The farthest-flung twin is 28537 in Hobucken, NC, 1,979 miles away.
  • 🧭 Farther south than 88% of all ZIP codes, and farther west than 86%.
  • 🎯869 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85723 and you would come out at 32.18°S, 69.04°E — 1,094 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 0.221 square miles of land, 85723 is bigger than 3% of ZIP codes — about 107 football fields.
🌙 The sky over 85723 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population244This ZIP244
Households28This ZIP28
Housing units28This ZIP28
Median age29.7This ZIP29.7Arizona39.0US 38.9
Bachelor's degree or higher4.1%This ZIP4.1%
Mean commute5.4 minThis ZIP5.4 min
Population density1,104.1 / sq miThis ZIP1,104.1 / sq mi

Business and tax activity

Business establishments5This ZIP5
Employees3,287This ZIP3,287
Annual payroll$474,978,000This ZIP$474,978,000

Land area

Land area0.22 sq miThis ZIP0.22 sq mi
Water area0.00 sq mi

Other place names in 85723

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 85723

ZIPCityDistance
85714 Tucson, AZ 1.4 mi
85726 Tucson, AZ 1.9 mi
85701 Tucson, AZ 2.5 mi
85706 Tucson, AZ 2.9 mi
85713 Tucson, AZ 3.1 mi
85709 Tucson, AZ 3.2 mi
85721 Tucson, AZ 3.5 mi
85702 Tucson, AZ 3.6 mi
85703 Tucson, AZ 3.6 mi
85717 Tucson, AZ 3.6 mi

Find every ZIP code within 10 miles of 85723 →

Questions about this ZIP code

Where is ZIP code 85723?

85723 is in Tucson, Arizona, in Pima County, part of the Tucson, AZ metropolitan area. Its published point location is 32.1819, -110.9650.

What county is 85723 in?

85723 lies in Pima County.

What area code is 85723?

Tucson uses area code 520, from NANPA's telephone records.

What time zone is 85723 in?

85723 uses America/Phoenix.

How many people live in 85723?

About 244 people live in ZIP code 85723, in 28 households, at 1,104.1 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 85723?

The closest are 85714 (1.4 mi), 85726 (1.9 mi), 85701 (2.5 mi), 85706 (2.9 mi) and 85713 (3.1 mi).

Is 85723 a PO Box ZIP code?

85723 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85723 ZIP Code — Tucson, Arizona (Pima County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85723

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