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/31145

31145

ZIP 31145 is in Atlanta, Georgia, in DeKalb County; area codes 404, 770, 678, 470 and 943; Eastern time. Atlanta has 92 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
DeKalb
Coordinates
33.8913, -84.0746

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 30044, whose figures describe that area — not this ZIP code.

☼ Live from 31145 — Atlanta, GA

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Where 31145 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 31145
  • 🔢 Type 31145 into a pocket calculator and turn it upside down: ShIIE — not quite a word, sorry.
  • ➕ As a number, 31,145 = 5 × 6229. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111100110101001
  • 🏠 Its numerical neighbours: 31144 (Kennesaw, GA, 32 mi away) and 31146 (Atlanta, GA, 0 mi away).
  • 🔄 Backwards, 31145 becomes 54113 — and that is a real ZIP code: Combined Locks, WI, 751 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (11354, 11435, 13145, 13154, 13415, 14135, …). The farthest-flung twin is 51341 in Gillett Grove, IA, 864 miles away.
  • 🧭 Farther south than 80% of all ZIP codes, and farther east than 60%.
  • 🎯899 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 31145 and you would come out at 33.89°S, 95.93°E — 1,162 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 54m.
🌙 The sky over 31145 today
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Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees9This ZIP9
Annual payroll$401,000This ZIP$401,000

Land area

ZIP codes near 31145

ZIPCityDistance
30086 Stone Mountain, GA 0.0 mi
30333 Atlanta, GA 0.0 mi
30356 Atlanta, GA 0.0 mi
30359 Atlanta, GA 0.0 mi
30362 Atlanta, GA 0.0 mi
30366 Atlanta, GA 0.0 mi
31119 Atlanta, GA 0.0 mi
31141 Atlanta, GA 0.0 mi
31146 Atlanta, GA 0.0 mi
39901 Atlanta, GA 0.0 mi

Find every ZIP code within 10 miles of 31145 →

Questions about this ZIP code

Where is ZIP code 31145?

31145 is in Atlanta, Georgia, in DeKalb County, part of the Atlanta-Sandy Springs-Roswell, GA metropolitan area. Its published point location is 33.8913, -84.0746.

What county is 31145 in?

31145 lies in DeKalb County.

What area code is 31145?

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

What time zone is 31145 in?

31145 uses America/New_York.

What ZIP codes are near 31145?

The closest are 30086 (0 mi), 30333 (0 mi), 30356 (0 mi), 30359 (0 mi) and 30362 (0 mi).

Is 31145 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. “31145 ZIP Code — Atlanta, Georgia (DeKalb County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/31145

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/31145.json

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