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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/85373

85373

ZIP 85373 is in Sun City, Arizona, in Maricopa County; area codes 480, 602 and 623; Mountain Standard Time all year. Sun City has 3 ZIP codes; the others are 85351 and 85372.

Type
Standard
Time zone
America/Phoenix
County
Maricopa
Population
20,254
Coordinates
33.6692, -112.3003
☼ Live from 85373 — Sun City, AZ

Weather right now

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Local time: —

Where 85373 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 85373
  • 🔢 Type 85373 into a pocket calculator and turn it upside down: ELESB — not quite a word, sorry.
  • ➕ As a number, 85,373 = 59 × 1447. Its digits add up to 26, a total 2,038 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110101111101
  • 🏠 Its numerical neighbours: 85372 (Sun City, AZ, 5 mi away) and 85374 (Surprise, AZ, 6 mi away).
  • 🔄 Backwards, 85373 becomes 37358, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (33578, 33587, 33758, 33785, 33857, 33875, …). The farthest-flung twin is 33857 in Lorida, FL, 1,896 miles away.
  • 🧭 Farther south than 81% of all ZIP codes, and farther west than 87%.
  • 🎯869 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85373 and you would come out at 33.67°S, 67.70°E — 1,091 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 23m of daylight. Shortest: 9h 55m.
  • 📏 At 11.3 square miles of land, 85373 is bigger than 29% of ZIP codes — room for about 8.5 Central Parks.
🌙 The sky over 85373 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population20,254This ZIP20,254
Households9,308This ZIP9,308
Housing units10,664This ZIP10,664
Median age64.5This ZIP64.5Arizona39.0US 38.9
Median household income$72,063This ZIP$72,063Arizona$79,964US $80,734
Median home value$348,500This ZIP$348,500Arizona$394,500US $332,700
Median gross rent$1,968This ZIP$1,968Arizona$1,543US $1,413
Bachelor's degree or higher30.9%This ZIP30.9%
Mean commute28.5 minThis ZIP28.5 min
Population density1,798.6 / sq miThis ZIP1,798.6 / sq mi

Business and tax activity

Business establishments187This ZIP187
Employees1,256This ZIP1,256
Annual payroll$52,454,000This ZIP$52,454,000
Tax returns filed9,110This ZIP9,110
Total adjusted gross income$638,366,000This ZIP$638,366,000

Land area

Land area11.26 sq miThis ZIP11.26 sq mi
Water area0.04 sq miThis ZIP0.04 sq mi

Other place names in 85373

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

ZIP codes near 85373

ZIPCityDistance
85378 Surprise, AZ 2.0 mi
85376 Sun City West, AZ 2.4 mi
85382 Peoria, AZ 3.2 mi
85375 Sun City West, AZ 3.3 mi
85351 Sun City, AZ 4.5 mi
85372 Sun City, AZ 5.2 mi
85374 Surprise, AZ 5.7 mi
85381 Peoria, AZ 5.8 mi
85363 Youngtown, AZ 5.8 mi
85335 El Mirage, AZ 6.0 mi

Find every ZIP code within 10 miles of 85373 →

Questions about this ZIP code

Where is ZIP code 85373?

85373 is in Sun City, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.6692, -112.3003.

What county is 85373 in?

85373 lies in Maricopa County.

What area code is 85373?

Sun City uses area codes 480, 602 and 623, from NANPA's telephone records.

What time zone is 85373 in?

85373 uses America/Phoenix.

How many people live in 85373?

About 20,254 people live in ZIP code 85373, in 9,308 households, at 1,798.6 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 85373?

$72,063 a year, against $79,964 across Arizona.

What ZIP codes are near 85373?

The closest are 85378 (2 mi), 85376 (2.4 mi), 85382 (3.2 mi), 85375 (3.3 mi) and 85351 (4.5 mi).

Is 85373 a PO Box ZIP code?

85373 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85373 ZIP Code — Sun City, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85373

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