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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/33149

33149

ZIP 33149 is Key Biscayne, Florida, in Miami-Dade County; area codes 786, 305 and 645; Eastern time.

Type
Standard
Time zone
America/New_York
County
Miami-Dade
Population
14,791
Coordinates
25.7144, -80.1636
☼ Live from 33149 — Key Biscayne, FL

Weather right now

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NEXRAD radar
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Local time: —

Where 33149 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 33149
  • 🔢 Type 33149 into a pocket calculator and turn it upside down: GhIEE — not quite a word, sorry.
  • ➕ 33149 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000000101111101
  • 🏠 Its numerical neighbours: 33147 (Miami, FL, 11 mi away) and 33150 (Miami, FL, 10 mi away).
  • 🔄 Backwards, 33149 becomes 94133 — and that is a real ZIP code: San Francisco, CA, 2,594 miles away.
  • 👥 17 other ZIP codes are made of exactly the same digits (13439, 13493, 19343, 33194, 33419, 33914, …). The farthest-flung twin is 94133 in San Francisco, CA, 2,594 miles away.
  • 🧭 Farther south than 98% of all ZIP codes, and farther east than 73%.
  • 🎯1,442 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 33149 and you would come out at 25.71°S, 99.84°E — 957 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 45m of daylight. Shortest: 10h 32m.
  • 📏 At 4.7 square miles of land, 33149 is bigger than 18% of ZIP codes — room for about 3.6 Central Parks.
🌙 The sky over 33149 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population14,791This ZIP14,791
Households4,945This ZIP4,945
Housing units7,310This ZIP7,310
Median age42.2This ZIP42.2Florida42.6US 38.9
Median household income$181,505This ZIP$181,505Florida$74,568US $80,734
Median home value$1,575,300This ZIP$1,575,300Florida$359,000US $332,700
Median gross rent$3,500+This ZIP$3,500+Florida$1,669US $1,413
Bachelor's degree or higher77.2%This ZIP77.2%
Mean commute23.7 minThis ZIP23.7 min
Population density3,141.0 / sq miThis ZIP3,141.0 / sq mi

Business and tax activity

Business establishments695This ZIP695
Employees3,725This ZIP3,725
Annual payroll$223,850,000This ZIP$223,850,000
Tax returns filed6,390This ZIP6,390
Total adjusted gross income$3,278,834,000This ZIP$3,278,834,000

Land area

Land area4.71 sq miThis ZIP4.71 sq mi
Water area9.38 sq miThis ZIP9.38 sq mi

Other place names in 33149

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

ZIP codes near 33149

ZIPCityDistance
33129 Miami, FL 3.5 mi
33131 Miami, FL 3.8 mi
33109 Miami Beach, FL 3.8 mi
33195 Miami, FL 4.3 mi
33132 Miami, FL 4.3 mi
33130 Miami, FL 4.5 mi
33133 Miami, FL 4.5 mi
33102 Miami, FL 4.5 mi
33111 Miami, FL 4.5 mi
33116 Miami, FL 4.5 mi

Find every ZIP code within 10 miles of 33149 →

Questions about this ZIP code

Where is ZIP code 33149?

33149 is in Key Biscayne, Florida, in Miami-Dade County, part of the Miami-Fort Lauderdale-West Palm Beach, FL metropolitan area. Its published point location is 25.7144, -80.1636.

What county is 33149 in?

33149 lies in Miami-Dade County.

What area code is 33149?

Key Biscayne uses area codes 786, 305 and 645, from NANPA's telephone records.

What time zone is 33149 in?

33149 uses America/New_York.

How many people live in 33149?

About 14,791 people live in ZIP code 33149, in 4,945 households, at 3,141.0 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 33149?

$181,505 a year, against $74,568 across Florida.

What ZIP codes are near 33149?

The closest are 33129 (3.5 mi), 33131 (3.8 mi), 33109 (3.8 mi), 33195 (4.3 mi) and 33132 (4.3 mi).

Is 33149 a PO Box ZIP code?

33149 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “33149 ZIP Code — Key Biscayne, Florida (Miami-Dade County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/33149

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