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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/85303

85303

ZIP 85303 is in Glendale, Arizona, in Maricopa County; area codes 480, 602 and 623; Mountain Standard Time all year. Glendale has 12 ZIP codes in all.

Type
Standard
Time zone
America/Phoenix
County
Maricopa
Population
33,663
Coordinates
33.5340, -112.2208
☼ Live from 85303 — Glendale, AZ

Weather right now

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Local time: —

Where 85303 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 85303
  • 🔢 Type 85303 into a pocket calculator and turn it upside down: EOESB — not quite a word, sorry.
  • ➕ 85303 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110100110111
  • 🏠 Its numerical neighbours: 85302 (Glendale, AZ, 3 mi away) and 85304 (Glendale, AZ, 5 mi away).
  • 🔄 Backwards, 85303 becomes 30358 — and that is a real ZIP code: Atlanta, GA, 1,596 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (03583, 03835, 03853, 05833, 08353, 08533, …). The farthest-flung twin is 03835 in Farmington, NH, 2,303 miles away.
  • 🧭 Farther south than 82% of all ZIP codes, and farther west than 87%.
  • 🎯871 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85303 and you would come out at 33.53°S, 67.78°E — 1,100 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 6.8 square miles of land, 85303 is bigger than 22% of ZIP codes — room for about 5.1 Central Parks.
🌙 The sky over 85303 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population33,663This ZIP33,663
Households10,000This ZIP10,000
Housing units10,422This ZIP10,422
Median age31.0This ZIP31.0Arizona39.0US 38.9
Median household income$80,650This ZIP$80,650Arizona$79,964US $80,734
Median home value$333,600This ZIP$333,600Arizona$394,500US $332,700
Median gross rent$1,567This ZIP$1,567Arizona$1,543US $1,413
Bachelor's degree or higher14.4%This ZIP14.4%
Mean commute30.6 minThis ZIP30.6 min
Population density4,981.9 / sq miThis ZIP4,981.9 / sq mi

Business and tax activity

Business establishments286This ZIP286
Employees3,794This ZIP3,794
Annual payroll$189,957,000This ZIP$189,957,000
Tax returns filed14,820This ZIP14,820
Total adjusted gross income$758,858,000This ZIP$758,858,000

Land area

Land area6.76 sq miThis ZIP6.76 sq mi
Water area0.00 sq mi

Other place names in 85303

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

ZIP codes near 85303

ZIPCityDistance
85305 Glendale, AZ 2.0 mi
85311 Glendale, AZ 2.0 mi
85312 Glendale, AZ 2.0 mi
85318 Glendale, AZ 2.0 mi
85301 Glendale, AZ 2.4 mi
85033 Phoenix, AZ 2.8 mi
85345 Peoria, AZ 3.1 mi
85380 Peoria, AZ 3.4 mi
85385 Peoria, AZ 3.4 mi
85302 Glendale, AZ 3.4 mi

Find every ZIP code within 10 miles of 85303 →

Questions about this ZIP code

Where is ZIP code 85303?

85303 is in Glendale, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.5340, -112.2208.

What county is 85303 in?

85303 lies in Maricopa County.

What area code is 85303?

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

What time zone is 85303 in?

85303 uses America/Phoenix.

How many people live in 85303?

About 33,663 people live in ZIP code 85303, in 10,000 households, at 4,981.9 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 85303?

$80,650 a year, against $79,964 across Arizona.

What ZIP codes are near 85303?

The closest are 85305 (2 mi), 85311 (2 mi), 85312 (2 mi), 85318 (2 mi) and 85301 (2.4 mi).

Is 85303 a PO Box ZIP code?

85303 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85303 ZIP Code — Glendale, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85303

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