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/85277

85277

ZIP 85277 is in Mesa, Arizona, in Maricopa County; Mountain Standard Time all year. Mesa has 19 ZIP codes in all.

Type
No street area
Time zone
America/Phoenix
County
Maricopa
Coordinates
33.4125, -111.8319

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 85210, whose figures describe that area — not this ZIP code.

☼ Live from 85277 — Mesa, AZ

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Where 85277 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 85277
  • 🔢 Type 85277 into a pocket calculator and turn it upside down: LLZSB — not quite a word, sorry.
  • ➕ As a number, 85,277 = 53 × 1609. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110100011101
  • 🏠 Its numerical neighbours: 85275 (Mesa, AZ, 0 mi away) and 85280 (Tempe, AZ, 6 mi away).
  • 🔄 Backwards, 85277 becomes 77258 — and that is a real ZIP code: Houston, TX, 995 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (25778, 27587, 27857, 27875, 28577, 28757, …). The farthest-flung twin is 28577 in Sealevel, NC, 2,018 miles away.
  • 🧭 Farther south than 83% of all ZIP codes, and farther west than 87%.
  • 🎯857 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85277 and you would come out at 33.41°S, 68.17°E — 1,106 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 85277 today
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Source: USGS.

Business and tax activity

Business establishments11This ZIP11
Employees121This ZIP121
Annual payroll$4,626,000This ZIP$4,626,000

Land area

ZIP codes near 85277

ZIPCityDistance
85214 Mesa, AZ 0.0 mi
85216 Mesa, AZ 0.0 mi
85274 Mesa, AZ 0.0 mi
85275 Mesa, AZ 0.0 mi
85210 Mesa, AZ 1.7 mi
85201 Mesa, AZ 1.8 mi
85204 Mesa, AZ 2.9 mi
85203 Mesa, AZ 3.1 mi
85202 Mesa, AZ 3.4 mi
85211 Mesa, AZ 3.7 mi

Find every ZIP code within 10 miles of 85277 →

Questions about this ZIP code

Where is ZIP code 85277?

85277 is in Mesa, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.4125, -111.8319.

What county is 85277 in?

85277 lies in Maricopa County.

What time zone is 85277 in?

85277 uses America/Phoenix.

What ZIP codes are near 85277?

The closest are 85214 (0 mi), 85216 (0 mi), 85274 (0 mi), 85275 (0 mi) and 85210 (1.7 mi).

Is 85277 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. “85277 ZIP Code — Mesa, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85277

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