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/85144

85144

ZIP 85144 is in San Tan Valley, Arizona, in Pinal County; area code 520; Mountain Standard Time all year. San Tan Valley has 3 ZIP codes; the others are 85140 and 85143.

Type
No street area
Time zone
America/Phoenix
County
Pinal
Coordinates
33.1911, -111.5280

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 85140, whose figures describe that area — not this ZIP code.

☼ Live from 85144 — San Tan Valley, AZ

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Where 85144 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 85144
  • 🔢 Type 85144 into a pocket calculator and turn it upside down: hhISB — not quite a word, sorry.
  • ➕ As a number, 85,144 = 2 × 2 × 2 × 29 × 367. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110010011000
  • 🏠 Its numerical neighbours: 85143 (San Tan Valley, AZ, 2 mi away) and 85145 (Red Rock, AZ, 46 mi away).
  • 🔄 Backwards, 85144 becomes 44158, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (14485, 14548, 14845, 14854, 15448, 15484, …). The farthest-flung twin is 18445 in Newfoundland, PA, 2,050 miles away.
  • 🧭 Farther south than 83% of all ZIP codes, and farther west than 86%.
  • 🎯852 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85144 and you would come out at 33.19°S, 68.47°E — 1,120 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 21m of daylight. Shortest: 9h 57m.
🌙 The sky over 85144 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments59This ZIP59
Employees144This ZIP144
Annual payroll$6,055,000This ZIP$6,055,000

Land area

ZIP codes near 85144

ZIPCityDistance
85143 San Tan Valley, AZ 2.5 mi
85140 San Tan Valley, AZ 4.5 mi
85142 Queen Creek, AZ 8.0 mi
85127 Chandler Heights, AZ 9.9 mi
85212 Mesa, AZ 10.7 mi
85298 Gilbert, AZ 12.1 mi
85147 Sacaton, AZ 13.1 mi
85297 Gilbert, AZ 13.4 mi
85119 Apache Junction, AZ 13.6 mi
85120 Apache Junction, AZ 13.7 mi

Find every ZIP code within 10 miles of 85144 →

Questions about this ZIP code

Where is ZIP code 85144?

85144 is in San Tan Valley, Arizona, in Pinal County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.1911, -111.5280.

What county is 85144 in?

85144 lies in Pinal County.

What area code is 85144?

San Tan Valley uses area code 520, from NANPA's telephone records.

What time zone is 85144 in?

85144 uses America/Phoenix.

What ZIP codes are near 85144?

The closest are 85143 (2.5 mi), 85140 (4.5 mi), 85142 (8 mi), 85127 (9.9 mi) and 85212 (10.7 mi).

Is 85144 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. “85144 ZIP Code — San Tan Valley, Arizona (Pinal County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85144

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/85144.json

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