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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/85121

85121

ZIP 85121 is Bapchule, Arizona, in Pinal County; area code 520; Mountain Standard Time all year.

Type
Standard
Time zone
America/Phoenix
County
Pinal
Population
2,800
Coordinates
33.1372, -111.9143
☼ Live from 85121 — Bapchule, AZ

Weather right now

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Local time: —

Where 85121 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 85121
  • 🔢 Type 85121 into a pocket calculator and turn it upside down: IZISB — not quite a word, sorry.
  • ➕ 85121 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110010000001
  • 🏠 Its numerical neighbours: 85120 (Apache Junction, AZ, 27 mi away) and 85122 (Casa Grande, AZ, 18 mi away).
  • 🔄 Backwards, 85121 becomes 12158 — and that is a real ZIP code: Selkirk, NY, 2,158 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (11582, 12158, 12185, 12518, 12581, 12815, …). The farthest-flung twin is 12185 in Valley Falls, NY, 2,173 miles away.
  • 🧭 Farther south than 84% of all ZIP codes, and farther west than 87%.
  • 🎯872 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85121 and you would come out at 33.14°S, 68.09°E — 1,108 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 21m of daylight. Shortest: 9h 57m.
  • 📏 At 76.0 square miles of land, 85121 is bigger than 71% of ZIP codes — room for about 58 Central Parks.
🌙 The sky over 85121 today
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🌋 Shake report
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Source: USGS.

People and housing

Population2,800This ZIP2,800
Households586This ZIP586
Housing units617This ZIP617
Median age29.2This ZIP29.2Arizona39.0US 38.9
Median household income$31,173This ZIP$31,173Arizona$79,964US $80,734
Median gross rent$398This ZIP$398Arizona$1,543US $1,413
Bachelor's degree or higher6.8%This ZIP6.8%
Mean commute26.0 minThis ZIP26.0 min
Population density36.8 / sq miThis ZIP36.8 / sq mi

Land area

Land area75.99 sq miThis ZIP75.99 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 85121

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

ZIP codes near 85121

ZIPCityDistance
85248 Chandler, AZ 6.0 mi
85249 Chandler, AZ 9.1 mi
85138 Maricopa, AZ 9.4 mi
85226 Chandler, AZ 9.6 mi
85286 Chandler, AZ 10.4 mi
85147 Sacaton, AZ 11.3 mi
85246 Chandler, AZ 12.4 mi
85244 Chandler, AZ 12.8 mi
85298 Gilbert, AZ 12.9 mi
85224 Chandler, AZ 13.1 mi

Find every ZIP code within 10 miles of 85121 →

Questions about this ZIP code

Where is ZIP code 85121?

85121 is in Bapchule, Arizona, in Pinal County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.1372, -111.9143.

What county is 85121 in?

85121 lies in Pinal County.

What area code is 85121?

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

What time zone is 85121 in?

85121 uses America/Phoenix.

How many people live in 85121?

About 2,800 people live in ZIP code 85121, in 586 households, at 36.8 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 85121?

$31,173 a year, against $79,964 across Arizona.

What ZIP codes are near 85121?

The closest are 85248 (6 mi), 85249 (9.1 mi), 85138 (9.4 mi), 85226 (9.6 mi) and 85286 (10.4 mi).

Is 85121 a PO Box ZIP code?

85121 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85121 ZIP Code — Bapchule, Arizona (Pinal County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85121

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