Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/85178

85178

ZIP 85178 is in Apache Junction, Arizona, in Pinal County; area code 520; Mountain Standard Time all year. Apache Junction has 4 ZIP codes; the others are 85117, 85119 and 85120.

Type
No street area
Time zone
America/Phoenix
County
Pinal
Coordinates
33.4050, -111.5470

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 85119, whose figures describe that area — not this ZIP code.

☼ Live from 85178 — Apache Junction, AZ

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Where 85178 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 85178
  • 🔢 Type 85178 into a pocket calculator and turn it upside down: BLISB — not quite a word, sorry.
  • ➕ As a number, 85,178 = 2 × 42589. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110010111010
  • 🏠 Its numerical neighbours: 85173 (Superior, AZ, 26 mi away) and 85190 (Tortilla Flat, AZ, 12 mi away).
  • 🔄 Backwards, 85178 becomes 87158 — and that is a real ZIP code: Albuquerque, NM, 303 miles away.
  • 👥 13 other ZIP codes are made of exactly the same digits (17858, 17885, 58718, 58781, 71858, 78851, …). The farthest-flung twin is 17858 in Numidia, PA, 1,988 miles away.
  • 🧭 Farther south than 83% of all ZIP codes, and farther west than 86%.
  • 🎯844 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85178 and you would come out at 33.41°S, 68.45°E — 1,105 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 22m of daylight. Shortest: 9h 56m.
🌙 The sky over 85178 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments3This ZIP3
Employees10This ZIP10
Annual payroll$536,000This ZIP$536,000

Land area

ZIP codes near 85178

ZIPCityDistance
85120 Apache Junction, AZ 1.5 mi
85119 Apache Junction, AZ 2.6 mi
85208 Mesa, AZ 4.9 mi
85209 Mesa, AZ 5.4 mi
85207 Mesa, AZ 6.2 mi
85212 Mesa, AZ 7.6 mi
85215 Mesa, AZ 7.6 mi
85206 Mesa, AZ 9.8 mi
85205 Mesa, AZ 9.8 mi
85118 Gold Canyon, AZ 11.1 mi

Find every ZIP code within 10 miles of 85178 →

Questions about this ZIP code

Where is ZIP code 85178?

85178 is in Apache Junction, Arizona, in Pinal County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.4050, -111.5470.

What county is 85178 in?

85178 lies in Pinal County.

What area code is 85178?

Apache Junction uses area code 520, from NANPA's telephone records.

What time zone is 85178 in?

85178 uses America/Phoenix.

What ZIP codes are near 85178?

The closest are 85120 (1.5 mi), 85119 (2.6 mi), 85208 (4.9 mi), 85209 (5.4 mi) and 85207 (6.2 mi).

Is 85178 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. “85178 ZIP Code — Apache Junction, Arizona (Pinal County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85178

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