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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/85021

85021

ZIP 85021 is in Phoenix, Arizona, in Maricopa County; area codes 480, 602 and 623; Mountain Standard Time all year. Phoenix has 77 ZIP codes in all.

Type
Standard
Time zone
America/Phoenix
County
Maricopa
Population
39,828
Coordinates
33.5611, -112.0949
☼ Live from 85021 — Phoenix, AZ

Weather right now

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NEXRAD radar
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Local time: —

Where 85021 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 85021
  • 🔢 Type 85021 into a pocket calculator and turn it upside down: IZOSB — not quite a word, sorry.
  • ➕ 85021 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110000011101
  • 🏠 Its numerical neighbours: 85020 (Phoenix, AZ, 2 mi away) and 85022 (Phoenix, AZ, 5 mi away).
  • 🔄 Backwards, 85021 becomes 12058 — and that is a real ZIP code: Earlton, NY, 2,147 miles away.
  • 👥 65 other ZIP codes are made of exactly the same digits (01258, 01825, 01852, 02185, 02815, 05821, …). The farthest-flung twin is 01825 in North Reading, MA, 2,292 miles away.
  • 🧭 Farther south than 82% of all ZIP codes, and farther west than 87%.
  • 🎯864 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85021 and you would come out at 33.56°S, 67.91°E — 1,097 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 6.9 square miles of land, 85021 is bigger than 22% of ZIP codes — room for about 5.3 Central Parks.
🌙 The sky over 85021 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population39,828This ZIP39,828
Households16,795This ZIP16,795
Housing units18,091This ZIP18,091
Median age34.8This ZIP34.8Arizona39.0US 38.9
Median household income$59,768This ZIP$59,768Arizona$79,964US $80,734
Median home value$470,400This ZIP$470,400Arizona$394,500US $332,700
Median gross rent$1,313This ZIP$1,313Arizona$1,543US $1,413
Bachelor's degree or higher35.6%This ZIP35.6%
Mean commute28.4 minThis ZIP28.4 min
Population density5,735.6 / sq miThis ZIP5,735.6 / sq mi

Business and tax activity

Business establishments950This ZIP950
Employees19,533This ZIP19,533
Annual payroll$1,293,984,000This ZIP$1,293,984,000
Tax returns filed16,970This ZIP16,970
Total adjusted gross income$1,574,246,000This ZIP$1,574,246,000

Land area

Land area6.94 sq miThis ZIP6.94 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 85021

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

ZIP codes near 85021

ZIPCityDistance
85051 Phoenix, AZ 2.2 mi
85020 Phoenix, AZ 2.3 mi
85029 Phoenix, AZ 2.5 mi
85013 Phoenix, AZ 3.5 mi
85015 Phoenix, AZ 3.6 mi
85012 Phoenix, AZ 3.9 mi
85017 Phoenix, AZ 4.0 mi
85014 Phoenix, AZ 4.3 mi
85019 Phoenix, AZ 4.4 mi
85302 Glendale, AZ 4.8 mi

Find every ZIP code within 10 miles of 85021 →

Questions about this ZIP code

Where is ZIP code 85021?

85021 is in Phoenix, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.5611, -112.0949.

What county is 85021 in?

85021 lies in Maricopa County.

What area code is 85021?

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

What time zone is 85021 in?

85021 uses America/Phoenix.

How many people live in 85021?

About 39,828 people live in ZIP code 85021, in 16,795 households, at 5,735.6 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 85021?

$59,768 a year, against $79,964 across Arizona.

What ZIP codes are near 85021?

The closest are 85051 (2.2 mi), 85020 (2.3 mi), 85029 (2.5 mi), 85013 (3.5 mi) and 85015 (3.6 mi).

Is 85021 a PO Box ZIP code?

85021 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “85021 ZIP Code — Phoenix, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85021

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curl https://zipcodes.pro/zip/85021.json

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