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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/85031

85031

ZIP 85031 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
31,191
Coordinates
33.4940, -112.1669
☼ Live from 85031 — Phoenix, AZ

Weather right now

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NEXRAD radar
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Local time: —

Where 85031 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 85031
  • 🔢 Type 85031 into a pocket calculator and turn it upside down: IEOSB — not quite a word, sorry.
  • ➕ As a number, 85,031 = 23 × 3697. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110000100111
  • 🏠 Its numerical neighbours: 85030 (Phoenix, AZ, 6 mi away) and 85032 (Phoenix, AZ, 13 mi away).
  • 🔄 Backwards, 85031 becomes 13058, which is not a ZIP code at all.
  • 👥 55 other ZIP codes are made of exactly the same digits (01538, 01583, 01835, 01853, 03581, 03815, …). The farthest-flung twin is 03581 in Gorham, NH, 2,305 miles away.
  • 🧭 Farther south than 82% of all ZIP codes, and farther west than 87%.
  • 🎯870 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85031 and you would come out at 33.49°S, 67.83°E — 1,102 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 56m.
  • 📏 At 4.1 square miles of land, 85031 is bigger than 17% of ZIP codes — room for about 3.1 Central Parks.
🌙 The sky over 85031 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population31,191This ZIP31,191
Households8,132This ZIP8,132
Housing units8,623This ZIP8,623
Median age29.6This ZIP29.6Arizona39.0US 38.9
Median household income$70,412This ZIP$70,412Arizona$79,964US $80,734
Median home value$294,800This ZIP$294,800Arizona$394,500US $332,700
Median gross rent$1,647This ZIP$1,647Arizona$1,543US $1,413
Bachelor's degree or higher8.9%This ZIP8.9%
Mean commute30.2 minThis ZIP30.2 min
Population density7,678.7 / sq miThis ZIP7,678.7 / sq mi

Business and tax activity

Business establishments295This ZIP295
Employees6,897This ZIP6,897
Annual payroll$330,707,000This ZIP$330,707,000
Tax returns filed12,580This ZIP12,580
Total adjusted gross income$484,434,000This ZIP$484,434,000

Land area

Land area4.06 sq miThis ZIP4.06 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 85031

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

ZIP codes near 85031

ZIPCityDistance
85019 Phoenix, AZ 1.8 mi
85035 Phoenix, AZ 2.3 mi
85033 Phoenix, AZ 2.7 mi
85017 Phoenix, AZ 2.7 mi
85301 Glendale, AZ 2.8 mi
85311 Glendale, AZ 3.3 mi
85312 Glendale, AZ 3.3 mi
85318 Glendale, AZ 3.3 mi
85015 Phoenix, AZ 3.9 mi
85009 Phoenix, AZ 4.1 mi

Find every ZIP code within 10 miles of 85031 →

Questions about this ZIP code

Where is ZIP code 85031?

85031 is in Phoenix, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.4940, -112.1669.

What county is 85031 in?

85031 lies in Maricopa County.

What area code is 85031?

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

What time zone is 85031 in?

85031 uses America/Phoenix.

How many people live in 85031?

About 31,191 people live in ZIP code 85031, in 8,132 households, at 7,678.7 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 85031?

$70,412 a year, against $79,964 across Arizona.

What ZIP codes are near 85031?

The closest are 85019 (1.8 mi), 85035 (2.3 mi), 85033 (2.7 mi), 85017 (2.7 mi) and 85301 (2.8 mi).

Is 85031 a PO Box ZIP code?

85031 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85031 ZIP Code — Phoenix, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85031

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