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/33623

33623

ZIP 33623 is in Tampa, Florida, in Hillsborough County; area codes 813 and 656; Eastern time. Tampa has 58 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
Hillsborough
Coordinates
27.9475, -82.4584

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 33602, whose figures describe that area — not this ZIP code.

☼ Live from 33623 — Tampa, FL

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Where 33623 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 33623
  • 🔢 Type 33623 into a pocket calculator and turn it upside down: EZgEE — not quite a word, sorry.
  • ➕ 33623 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: 1000001101010111
  • 🏠 Its numerical neighbours: 33622 (Tampa, FL, 0 mi away) and 33624 (Tampa, FL, 10 mi away).
  • 🔄 Backwards, 33623 becomes 32633 — and that is a real ZIP code: Evinston, FL, 107 miles away.
  • 👥 6 other ZIP codes are made of exactly the same digits (23336, 32336, 32633, 33326, 36323, 63332). The farthest-flung twin is 63332 in Augusta, MO, 882 miles away.
  • 🧭 Farther south than 96% of all ZIP codes, and farther east than 65%.
  • 🎯1,233 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 33623 and you would come out at 27.95°S, 97.54°E — 1,092 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 55m of daylight. Shortest: 10h 22m.
🌙 The sky over 33623 today
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Source: USGS.

Land area

ZIP codes near 33623

ZIPCityDistance
33622 Tampa, FL 0.0 mi
33655 Tampa, FL 0.0 mi
33672 Tampa, FL 0.0 mi
33689 Tampa, FL 0.0 mi
33602 Tampa, FL 0.4 mi
33606 Tampa, FL 1.0 mi
33605 Tampa, FL 1.8 mi
33603 Tampa, FL 2.7 mi
33609 Tampa, FL 3.5 mi
33629 Tampa, FL 3.6 mi

Find every ZIP code within 10 miles of 33623 →

Questions about this ZIP code

Where is ZIP code 33623?

33623 is in Tampa, Florida, in Hillsborough County, part of the Tampa-St. Petersburg-Clearwater, FL metropolitan area. Its published point location is 27.9475, -82.4584.

What county is 33623 in?

33623 lies in Hillsborough County.

What area code is 33623?

Tampa uses area codes 813 and 656, from NANPA's telephone records.

What time zone is 33623 in?

33623 uses America/New_York.

What ZIP codes are near 33623?

The closest are 33622 (0 mi), 33655 (0 mi), 33672 (0 mi), 33689 (0 mi) and 33602 (0.4 mi).

Is 33623 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. “33623 ZIP Code — Tampa, Florida (Hillsborough County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/33623

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curl https://zipcodes.pro/zip/33623.json

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