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/34423

34423

ZIP 34423 is in Crystal River, Florida, in Citrus County; area code 352; Eastern time. Crystal River has 3 ZIP codes; the others are 34428 and 34429.

Type
No street area
Time zone
America/New_York
County
Citrus
Coordinates
28.8670, -82.5727

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 34429, whose figures describe that area — not this ZIP code.

☼ Live from 34423 — Crystal River, FL

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Where 34423 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 34423
  • 🔢 Type 34423 into a pocket calculator and turn it upside down: EZhhE — not quite a word, sorry.
  • ➕ As a number, 34,423 = 29 × 1187. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000011001110111
  • 🏠 Its numerical neighbours: 34421 (Belleview, FL, 39 mi away) and 34428 (Crystal River, FL, 8 mi away).
  • 🔄 Backwards, 34423 becomes 32443 — and that is a real ZIP code: Greenwood, FL, 206 miles away.
  • 👥 19 other ZIP codes are made of exactly the same digits (23434, 23443, 24343, 24433, 32344, 32434, …). The farthest-flung twin is 43432 in Graytown, OH, 878 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther east than 64%.
  • 🎯1,183 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 34423 and you would come out at 28.87°S, 97.43°E — 1,117 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 59m of daylight. Shortest: 10h 18m.
🌙 The sky over 34423 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments11This ZIP11
Employees408This ZIP408
Annual payroll$19,154,000This ZIP$19,154,000

Land area

ZIP codes near 34423

ZIPCityDistance
34460 Lecanto, FL 3.9 mi
34447 Homosassa Springs, FL 4.3 mi
34429 Crystal River, FL 5.4 mi
34487 Homosassa, FL 6.4 mi
34465 Beverly Hills, FL 6.5 mi
34461 Lecanto, FL 6.6 mi
34448 Homosassa, FL 7.6 mi
34428 Crystal River, FL 7.7 mi
34464 Beverly Hills, FL 7.7 mi
34446 Homosassa, FL 8.7 mi

Find every ZIP code within 10 miles of 34423 →

Questions about this ZIP code

Where is ZIP code 34423?

34423 is in Crystal River, Florida, in Citrus County, part of the Homosassa Springs, FL metropolitan area. Its published point location is 28.8670, -82.5727.

What county is 34423 in?

34423 lies in Citrus County.

What area code is 34423?

Crystal River uses area code 352, from NANPA's telephone records.

What time zone is 34423 in?

34423 uses America/New_York.

What ZIP codes are near 34423?

The closest are 34460 (3.9 mi), 34447 (4.3 mi), 34429 (5.4 mi), 34487 (6.4 mi) and 34465 (6.5 mi).

Is 34423 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. “34423 ZIP Code — Crystal River, Florida (Citrus County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/34423

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/34423.json

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