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/33646

33646

ZIP 33646 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
28.0940, -82.4021

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 33647, whose figures describe that area — not this ZIP code.

☼ Live from 33646 — Tampa, FL

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Where 33646 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 33646
  • 🔢 Type 33646 into a pocket calculator and turn it upside down: ghgEE — not quite a word, sorry.
  • ➕ As a number, 33,646 = 2 × 16823. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000001101101110
  • 🏠 Its numerical neighbours: 33637 (Tampa, FL, 4 mi away) and 33647 (Tampa, FL, 6 mi away).
  • 🔄 Backwards, 33646 becomes 64633 — and that is a real ZIP code: Carrollton, MO, 1,004 miles away.
  • 👥 9 other ZIP codes are made of exactly the same digits (33466, 33664, 34636, 36346, 36436, 63346, …). The farthest-flung twin is 64633 in Carrollton, MO, 1,004 miles away.
  • 🧭 Farther south than 96% of all ZIP codes, and farther east than 65%.
  • 🎯1,228 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 33646 and you would come out at 28.09°S, 97.60°E — 1,102 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 56m of daylight. Shortest: 10h 21m.
🌙 The sky over 33646 today
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Source: USGS.

Business and tax activity

Business establishments15This ZIP15
Employees63This ZIP63
Annual payroll$2,516,000This ZIP$2,516,000

Land area

ZIP codes near 33646

ZIPCityDistance
33620 Tampa, FL 2.3 mi
33613 Tampa, FL 2.9 mi
33617 Tampa, FL 3.8 mi
33637 Tampa, FL 4.1 mi
33612 Tampa, FL 4.2 mi
33549 Lutz, FL 4.3 mi
33559 Lutz, FL 4.7 mi
33618 Tampa, FL 6.0 mi
33548 Lutz, FL 6.1 mi
33604 Tampa, FL 6.2 mi

Find every ZIP code within 10 miles of 33646 →

Questions about this ZIP code

Where is ZIP code 33646?

33646 is in Tampa, Florida, in Hillsborough County, part of the Tampa-St. Petersburg-Clearwater, FL metropolitan area. Its published point location is 28.0940, -82.4021.

What county is 33646 in?

33646 lies in Hillsborough County.

What area code is 33646?

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

What time zone is 33646 in?

33646 uses America/New_York.

What ZIP codes are near 33646?

The closest are 33620 (2.3 mi), 33613 (2.9 mi), 33617 (3.8 mi), 33637 (4.1 mi) and 33612 (4.2 mi).

Is 33646 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. “33646 ZIP Code — Tampa, Florida (Hillsborough County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/33646

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