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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/85388

85388

ZIP 85388 is in Surprise, Arizona, in Maricopa County; area codes 480, 602 and 623; Mountain Standard Time all year. Surprise has 5 ZIP codes; the others are 85374, 85378, 85379 and 85387.

Type
Standard
Time zone
America/Phoenix
County
Maricopa
Population
35,369
Coordinates
33.6024, -112.4321
☼ Live from 85388 — Surprise, AZ

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Where 85388 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 85388
  • 🔢 Type 85388 into a pocket calculator and turn it upside down: BBESB — not quite a word, sorry.
  • ➕ As a number, 85,388 = 2 × 2 × 21347. Its digits add up to 32, a total 644 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110110001100
  • 🏠 Its numerical neighbours: 85387 (Surprise, AZ, 7 mi away) and 85390 (Wickenburg, AZ, 33 mi away).
  • 🔄 Backwards, 85388 becomes 88358, which is not a ZIP code at all.
  • 👥 6 other ZIP codes are made of exactly the same digits (38588, 38858, 58838, 83858, 88538, 88583). The farthest-flung twin is 38588 in Whitleyville, TN, 1,519 miles away.
  • 🧭 Farther south than 82% of all ZIP codes, and farther west than 88%.
  • 🎯878 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85388 and you would come out at 33.60°S, 67.57°E — 1,096 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.
  • 📏 At 12.8 square miles of land, 85388 is bigger than 31% of ZIP codes — room for about 9.8 Central Parks.
🌙 The sky over 85388 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population35,369This ZIP35,369
Households10,871This ZIP10,871
Housing units11,315This ZIP11,315
Median age36.9This ZIP36.9Arizona39.0US 38.9
Median household income$112,164This ZIP$112,164Arizona$79,964US $80,734
Median home value$459,900This ZIP$459,900Arizona$394,500US $332,700
Median gross rent$2,155This ZIP$2,155Arizona$1,543US $1,413
Bachelor's degree or higher31.9%This ZIP31.9%
Mean commute32.1 minThis ZIP32.1 min
Population density2,753.5 / sq miThis ZIP2,753.5 / sq mi

Business and tax activity

Business establishments300This ZIP300
Employees3,993This ZIP3,993
Annual payroll$187,276,000This ZIP$187,276,000
Tax returns filed15,170This ZIP15,170
Total adjusted gross income$1,214,111,000This ZIP$1,214,111,000

Land area

Land area12.85 sq miThis ZIP12.85 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 85388

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

ZIP codes near 85388

ZIPCityDistance
85355 Waddell, AZ 2.3 mi
85379 Surprise, AZ 3.3 mi
85374 Surprise, AZ 3.6 mi
85309 Luke Air Force Base, AZ 5.6 mi
85340 Litchfield Park, AZ 6.0 mi
85335 El Mirage, AZ 6.2 mi
85375 Sun City West, AZ 6.4 mi
85376 Sun City West, AZ 6.6 mi
85378 Surprise, AZ 7.1 mi
85363 Youngtown, AZ 7.4 mi

Find every ZIP code within 10 miles of 85388 →

Questions about this ZIP code

Where is ZIP code 85388?

85388 is in Surprise, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.6024, -112.4321.

What county is 85388 in?

85388 lies in Maricopa County.

What area code is 85388?

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

What time zone is 85388 in?

85388 uses America/Phoenix.

How many people live in 85388?

About 35,369 people live in ZIP code 85388, in 10,871 households, at 2,753.5 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 85388?

$112,164 a year, against $79,964 across Arizona.

What ZIP codes are near 85388?

The closest are 85355 (2.3 mi), 85379 (3.3 mi), 85374 (3.6 mi), 85309 (5.6 mi) and 85340 (6 mi).

Is 85388 a PO Box ZIP code?

85388 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85388 ZIP Code — Surprise, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85388

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