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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/85311

85311

ZIP 85311 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
No street area
Time zone
America/Phoenix
County
Maricopa
Coordinates
33.5387, -112.1860

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 85301, whose figures describe that area — not this ZIP code.

☼ Live from 85311 — Glendale, AZ

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Where 85311 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 85311
  • 🔢 Type 85311 into a pocket calculator and turn it upside down: IIESB — not quite a word, sorry.
  • ➕ As a number, 85,311 = 3 × 3 × 9479. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110100111111
  • 🏠 Its numerical neighbours: 85310 (Glendale, AZ, 11 mi away) and 85312 (Glendale, AZ, 0 mi away).
  • 🔄 Backwards, 85311 becomes 11358 — and that is a real ZIP code: Flushing, NY, 2,154 miles away.
  • 👥 22 other ZIP codes are made of exactly the same digits (11358, 11385, 11853, 13158, 13815, 13851, …). The farthest-flung twin is 11853 in Jericho, NY, 2,168 miles away.
  • 🧭 Farther south than 82% 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 85311 and you would come out at 33.54°S, 67.81°E — 1,099 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.
🌙 The sky over 85311 today
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Source: USGS.

Business and tax activity

Business establishments11This ZIP11
Employees58This ZIP58
Annual payroll$3,024,000This ZIP$3,024,000

Land area

ZIP codes near 85311

ZIPCityDistance
85312 Glendale, AZ 0.0 mi
85318 Glendale, AZ 0.0 mi
85301 Glendale, AZ 0.6 mi
85303 Glendale, AZ 2.0 mi
85302 Glendale, AZ 2.1 mi
85019 Phoenix, AZ 3.1 mi
85031 Phoenix, AZ 3.3 mi
85051 Phoenix, AZ 3.4 mi
85033 Phoenix, AZ 3.5 mi
85304 Glendale, AZ 3.9 mi

Find every ZIP code within 10 miles of 85311 →

Questions about this ZIP code

Where is ZIP code 85311?

85311 is in Glendale, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.5387, -112.1860.

What county is 85311 in?

85311 lies in Maricopa County.

What area code is 85311?

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

What time zone is 85311 in?

85311 uses America/Phoenix.

What ZIP codes are near 85311?

The closest are 85312 (0 mi), 85318 (0 mi), 85301 (0.6 mi), 85303 (2 mi) and 85302 (2.1 mi).

Is 85311 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “85311 ZIP Code — Glendale, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85311

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/85311.json

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