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/63039

63039

ZIP 63039 is Gray Summit, Missouri, in Franklin County; area code 636; Central time.

Type
Standard
Time zone
America/Chicago
County
Franklin
Metro area
St. Louis, MO-IL
Population
986
Coordinates
38.4917, -90.8437
☼ Live from 63039 — Gray Summit, MO

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 63039 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 63039
  • 🔢 Type 63039 into a pocket calculator and turn it upside down: GEOEg — not quite a word, sorry.
  • ➕ As a number, 63,039 = 3 × 21013. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011000111111
  • 🏠 Its numerical neighbours: 63038 (Glencoe, MO, 11 mi away) and 63040 (Grover, MO, 13 mi away).
  • 🔄 Backwards, 63039 becomes 93036 — and that is a real ZIP code: Oxnard, CA, 1,595 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (06339, 30369, 30396, 30639, 33069, 33609, …). The farthest-flung twin is 96330 in APO AA, a military post office, 6,389 miles away.
  • 🧭 Farther south than 55% of all ZIP codes, and farther west than 58%.
  • 🎯424 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63039 and you would come out at 38.49°S, 89.16°E — 1,199 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 51m of daylight. Shortest: 9h 29m.
  • 📏 At 4.4 square miles of land, 63039 is bigger than 18% of ZIP codes — room for about 3.4 Central Parks.
🌙 The sky over 63039 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population986This ZIP986
Households312This ZIP312
Housing units352This ZIP352
Median age34.0This ZIP34.0Missouri39.0US 38.9
Median household income$70,329This ZIP$70,329Missouri$70,702US $80,734
Median home value$183,000This ZIP$183,000Missouri$230,300US $332,700
Bachelor's degree or higher20.7%This ZIP20.7%
Mean commute29.0 minThis ZIP29.0 min
Population density221.9 / sq miThis ZIP221.9 / sq mi

Business and tax activity

Business establishments15This ZIP15
Employees109This ZIP109
Annual payroll$5,409,000This ZIP$5,409,000
Tax returns filed390This ZIP390
Total adjusted gross income$25,561,000This ZIP$25,561,000

Land area

Land area4.44 sq miThis ZIP4.44 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 63039

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

ZIP codes near 63039

ZIPCityDistance
63055 Labadie, MO 2.7 mi
63089 Villa Ridge, MO 2.9 mi
63069 Pacific, MO 7.5 mi
63073 Saint Albans, MO 7.6 mi
63332 Augusta, MO 7.8 mi
63015 Catawissa, MO 8.3 mi
63072 Robertsville, MO 8.6 mi
63084 Union, MO 10.7 mi
63038 Glencoe, MO 11.2 mi
63342 Dutzow, MO 11.4 mi

Find every ZIP code within 10 miles of 63039 →

Questions about this ZIP code

Where is ZIP code 63039?

63039 is in Gray Summit, Missouri, in Franklin County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.4917, -90.8437.

What county is 63039 in?

63039 lies in Franklin County.

What area code is 63039?

Gray Summit uses area code 636, from NANPA's telephone records.

What time zone is 63039 in?

63039 uses America/Chicago.

How many people live in 63039?

About 986 people live in ZIP code 63039, in 312 households, at 221.9 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 63039?

$70,329 a year, against $70,702 across Missouri.

What ZIP codes are near 63039?

The closest are 63055 (2.7 mi), 63089 (2.9 mi), 63069 (7.5 mi), 63073 (7.6 mi) and 63332 (7.8 mi).

Is 63039 a PO Box ZIP code?

63039 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “63039 ZIP Code — Gray Summit, Missouri (Franklin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63039

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/63039.json

Underlying data is public domain or openly licensed — sources, vintages and licences.