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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/30339

30339

ZIP 30339 is in Atlanta, Georgia, mostly in Cobb County; area codes 404, 770, 678, 470 and 943; Eastern time. Atlanta has 92 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Cobb +1 more
Population
35,372
Coordinates
33.8676, -84.4646
☼ Live from 30339 — Atlanta, GA

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Local time: —

Where 30339 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 30339
  • 🔢 Type 30339 into a pocket calculator and turn it upside down: GEEOE — not quite a word, sorry.
  • ➕ As a number, 30,339 = 3 × 3 × 3371. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111011010000011
  • 🏠 Its numerical neighbours: 30338 (Atlanta, GA, 10 mi away) and 30340 (Atlanta, GA, 12 mi away).
  • 🔄 Backwards, 30339 becomes 93303 — and that is a real ZIP code: Bakersfield, CA, 1,952 miles away.
  • 👥 10 other ZIP codes are made of exactly the same digits (09333, 33039, 33093, 33309, 33903, 33930, …). The farthest-flung twin is 09333 in APO AE, a military post office, 4,610 miles away.
  • 🧭 Farther south than 80% of all ZIP codes, and farther east than 58%.
  • 🎯881 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 30339 and you would come out at 33.87°S, 95.54°E — 1,184 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 54m.
  • 📏 At 9.9 square miles of land, 30339 is bigger than 27% of ZIP codes — room for about 7.5 Central Parks.
🌙 The sky over 30339 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population35,372This ZIP35,372
Households19,910This ZIP19,910
Housing units21,642This ZIP21,642
Median age34.0This ZIP34.0Georgia37.6US 38.9
Median household income$103,277This ZIP$103,277Georgia$77,353US $80,734
Median home value$465,800This ZIP$465,800Georgia$303,300US $332,700
Median gross rent$1,901This ZIP$1,901Georgia$1,393US $1,413
Bachelor's degree or higher70.6%This ZIP70.6%
Mean commute25.5 minThis ZIP25.5 min
Population density3,584.2 / sq miThis ZIP3,584.2 / sq mi

Business and tax activity

Business establishments2,904This ZIP2,904
Employees101,648This ZIP101,648
Annual payroll$11,171,488,000This ZIP$11,171,488,000
Tax returns filed18,380This ZIP18,380
Total adjusted gross income$2,921,422,000This ZIP$2,921,422,000

Land area

Land area9.87 sq miThis ZIP9.87 sq mi
Water area0.35 sq miThis ZIP0.35 sq mi

Counties 30339 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Cobb County 95.6%
Fulton County 4.4%

Other place names in 30339

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

ZIP codes near 30339

ZIPCityDistance
30301 Atlanta, GA 1.7 mi
30325 Atlanta, GA 1.7 mi
30348 Atlanta, GA 1.7 mi
30355 Atlanta, GA 1.7 mi
30357 Atlanta, GA 1.7 mi
30361 Atlanta, GA 1.7 mi
30364 Atlanta, GA 1.7 mi
30368 Atlanta, GA 1.7 mi
30369 Atlanta, GA 1.7 mi
30371 Atlanta, GA 1.7 mi

Find every ZIP code within 10 miles of 30339 →

Questions about this ZIP code

Where is ZIP code 30339?

30339 is in Atlanta, Georgia, in Cobb County, part of the Atlanta-Sandy Springs-Roswell, GA metropolitan area. Its published point location is 33.8676, -84.4646.

What county is 30339 in?

30339 spans 2 counties: Cobb County and Fulton County. Most of it falls in Cobb County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 30339?

Atlanta uses area codes 404, 770, 678, 470 and 943, from NANPA's telephone records.

What time zone is 30339 in?

30339 uses America/New_York.

How many people live in 30339?

About 35,372 people live in ZIP code 30339, in 19,910 households, at 3,584.2 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 30339?

$103,277 a year, against $77,353 across Georgia.

What ZIP codes are near 30339?

The closest are 30301 (1.7 mi), 30325 (1.7 mi), 30348 (1.7 mi), 30355 (1.7 mi) and 30357 (1.7 mi).

Is 30339 a PO Box ZIP code?

30339 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “30339 ZIP Code — Atlanta, Georgia (Cobb County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/30339

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