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/30503

30503

ZIP 30503 is in Gainesville, Georgia, in Hall County; area codes 678, 770, 470 and 943; Eastern time. Gainesville has 5 ZIP codes; the others are 30501, 30504, 30506 and 30507.

Type
No street area
Time zone
America/New_York
County
Hall
Metro area
Gainesville, GA
Coordinates
34.3454, -83.9505

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 30506, whose figures describe that area — not this ZIP code.

☼ Live from 30503 — Gainesville, GA

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Where 30503 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 30503
  • 🔢 Type 30503 into a pocket calculator and turn it upside down: EOSOE — not quite a word, sorry.
  • ⇆30503 reads the same backwards. It is one of only 412 palindromic ZIP codes.
  • ➕ As a number, 30,503 = 11 × 47 × 59. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111011100100111
  • 🏠 Its numerical neighbours: 30502 (Chestnut Mountain, GA, 13 mi away) and 30504 (Gainesville, GA, 6 mi away).
  • 👥 13 other ZIP codes are made of exactly the same digits (03053, 03305, 05033, 05303, 30035, 30305, …). The farthest-flung twin is 05033 in Bradford, VT, 916 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther east than 60%.
  • 🎯889 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 30503 and you would come out at 34.35°S, 96.05°E — 1,156 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 51m.
🌙 The sky over 30503 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments35This ZIP35
Employees3,327This ZIP3,327
Annual payroll$139,948,000This ZIP$139,948,000

Land area

ZIP codes near 30503

ZIPCityDistance
30506 Gainesville, GA 3.1 mi
30504 Gainesville, GA 6.5 mi
30501 Gainesville, GA 8.0 mi
30566 Oakwood, GA 8.0 mi
30564 Murrayville, GA 8.9 mi
30542 Flowery Branch, GA 11.7 mi
30507 Gainesville, GA 11.7 mi
30534 Dawsonville, GA 12.5 mi
30597 Dahlonega, GA 12.7 mi
30502 Chestnut Mountain, GA 12.8 mi

Find every ZIP code within 10 miles of 30503 →

Questions about this ZIP code

Where is ZIP code 30503?

30503 is in Gainesville, Georgia, in Hall County, part of the Gainesville, GA metropolitan area. Its published point location is 34.3454, -83.9505.

What county is 30503 in?

30503 lies in Hall County.

What area code is 30503?

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

What time zone is 30503 in?

30503 uses America/New_York.

What ZIP codes are near 30503?

The closest are 30506 (3.1 mi), 30504 (6.5 mi), 30501 (8 mi), 30566 (8 mi) and 30564 (8.9 mi).

Is 30503 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. “30503 ZIP Code — Gainesville, Georgia (Hall County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/30503

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/30503.json

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