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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/31303

31303

ZIP 31303 is Clyo, Georgia, in Effingham County; area code 912; Eastern time.

Type
Standard
Time zone
America/New_York
County
Effingham
Metro area
Savannah, GA
Population
2,604
Coordinates
32.5054, -81.3134
☼ Live from 31303 — Clyo, GA

Weather right now

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Local time: —

Where 31303 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 31303
  • 🔢 Type 31303 into a pocket calculator and turn it upside down: EOEIE — not quite a word, sorry.
  • ➕ As a number, 31,303 = 23 × 1361. Its digits add up to 10, a total 513 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111101001000111
  • 🏠 Its numerical neighbours: 31302 (Bloomingdale, GA, 26 mi away) and 31304 (Crescent, GA, 69 mi away).
  • 🔄 Backwards, 31303 becomes 30313 — and that is a real ZIP code: Atlanta, GA, 198 miles away.
  • 👥 11 other ZIP codes are made of exactly the same digits (13033, 13303, 30133, 30313, 30331, 31033, …). The farthest-flung twin is 13303 in Ava, NY, 815 miles away.
  • 🧭 Farther south than 86% of all ZIP codes, and farther east than 69%.
  • 🎯1,085 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 31303 and you would come out at 32.51°S, 98.69°E — 1,003 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 17m of daylight. Shortest: 10h 01m.
  • 📏 At 81.5 square miles of land, 31303 is bigger than 73% of ZIP codes — room for about 62 Central Parks.
🌙 The sky over 31303 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,604This ZIP2,604
Households1,064This ZIP1,064
Housing units1,176This ZIP1,176
Median age56.0This ZIP56.0Georgia37.6US 38.9
Median household income$75,968This ZIP$75,968Georgia$77,353US $80,734
Median home value$180,900This ZIP$180,900Georgia$303,300US $332,700
Median gross rent$948This ZIP$948Georgia$1,393US $1,413
Bachelor's degree or higher23.0%This ZIP23.0%
Mean commute50.3 minThis ZIP50.3 min
Population density32.0 / sq miThis ZIP32.0 / sq mi

Business and tax activity

Business establishments24This ZIP24
Employees116This ZIP116
Annual payroll$5,411,000This ZIP$5,411,000
Tax returns filed1,050This ZIP1,050
Total adjusted gross income$75,568,000This ZIP$75,568,000

Land area

Land area81.46 sq miThis ZIP81.46 sq mi
Water area1.65 sq miThis ZIP1.65 sq mi

ZIP codes near 31303

ZIPCityDistance
31329 Springfield, GA 5.8 mi
29922 Garnett, SC 6.0 mi
30446 Newington, GA 9.6 mi
29943 Tillman, SC 9.8 mi
29939 Scotia, SC 12.8 mi
30449 Oliver, GA 13.0 mi
29934 Pineland, SC 13.2 mi
31312 Guyton, GA 13.9 mi
29921 Furman, SC 14.7 mi
31326 Rincon, GA 15.4 mi

Find every ZIP code within 10 miles of 31303 →

Questions about this ZIP code

Where is ZIP code 31303?

31303 is in Clyo, Georgia, in Effingham County, part of the Savannah, GA metropolitan area. Its published point location is 32.5054, -81.3134.

What county is 31303 in?

31303 lies in Effingham County.

What area code is 31303?

Clyo uses area code 912, from NANPA's telephone records.

What time zone is 31303 in?

31303 uses America/New_York.

How many people live in 31303?

About 2,604 people live in ZIP code 31303, in 1,064 households, at 32.0 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 31303?

$75,968 a year, against $77,353 across Georgia.

What ZIP codes are near 31303?

The closest are 31329 (5.8 mi), 29922 (6 mi), 30446 (9.6 mi), 29943 (9.8 mi) and 29939 (12.8 mi).

Is 31303 a PO Box ZIP code?

31303 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “31303 ZIP Code — Clyo, Georgia (Effingham County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/31303

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