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/63129

63129

ZIP 63129 is in Saint Louis, Missouri, in St. Louis County; area codes 314 and 557; Central time. Saint Louis has 68 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
St. Louis
Metro area
St. Louis, MO-IL
Population
51,553
Coordinates
38.4578, -90.3191
☼ Live from 63129 — Saint Louis, MO

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 63129 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 63129
  • 🔢 Type 63129 into a pocket calculator and turn it upside down: GZIEg — not quite a word, sorry.
  • ➕ As a number, 63,129 = 3 × 11 × 1913. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011010011001
  • 🏠 Its numerical neighbours: 63128 (Saint Louis, MO, 4 mi away) and 63130 (Saint Louis, MO, 14 mi away).
  • 🔄 Backwards, 63129 becomes 92136 — and that is a real ZIP code: San Diego, CA, 1,552 miles away.
  • 👥 44 other ZIP codes are made of exactly the same digits (12936, 13692, 16239, 16329, 16923, 16932, …). The farthest-flung twin is 96321 in FPO AA, a military post office, 6,861 miles away.
  • 🧭 Farther south than 55% of all ZIP codes, and farther west than 57%.
  • 🎯452 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63129 and you would come out at 38.46°S, 89.68°E — 1,221 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 20.9 square miles of land, 63129 is bigger than 38% of ZIP codes — room for about 16 Central Parks.
🌙 The sky over 63129 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population51,553This ZIP51,553
Households21,301This ZIP21,301
Housing units21,975This ZIP21,975
Median age44.4This ZIP44.4Missouri39.0US 38.9
Median household income$94,888This ZIP$94,888Missouri$70,702US $80,734
Median home value$295,600This ZIP$295,600Missouri$230,300US $332,700
Median gross rent$1,108This ZIP$1,108Missouri$1,033US $1,413
Bachelor's degree or higher42.4%This ZIP42.4%
Mean commute25.4 minThis ZIP25.4 min
Population density2,465.9 / sq miThis ZIP2,465.9 / sq mi

Business and tax activity

Business establishments1,029This ZIP1,029
Employees10,796This ZIP10,796
Annual payroll$463,619,000This ZIP$463,619,000
Tax returns filed27,260This ZIP27,260
Total adjusted gross income$2,468,543,000This ZIP$2,468,543,000

Land area

Land area20.91 sq miThis ZIP20.91 sq mi
Water area2.00 sq miThis ZIP2.00 sq mi

Other place names in 63129

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

ZIP codes near 63129

ZIPCityDistance
63128 Saint Louis, MO 4.3 mi
63010 Arnold, MO 4.4 mi
63125 Saint Louis, MO 4.5 mi
62236 Columbia, IL 6.0 mi
63123 Saint Louis, MO 6.2 mi
63053 Kimmswick, MO 6.8 mi
63126 Saint Louis, MO 7.1 mi
63127 Saint Louis, MO 7.5 mi
63052 Imperial, MO 7.6 mi
63111 Saint Louis, MO 7.9 mi

Find every ZIP code within 10 miles of 63129 →

Questions about this ZIP code

Where is ZIP code 63129?

63129 is in Saint Louis, Missouri, in St. Louis County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.4578, -90.3191.

What county is 63129 in?

63129 lies in St. Louis County.

What area code is 63129?

Saint Louis uses area codes 314 and 557, from NANPA's telephone records.

What time zone is 63129 in?

63129 uses America/Chicago.

How many people live in 63129?

About 51,553 people live in ZIP code 63129, in 21,301 households, at 2,465.9 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 63129?

$94,888 a year, against $70,702 across Missouri.

What ZIP codes are near 63129?

The closest are 63128 (4.3 mi), 63010 (4.4 mi), 63125 (4.5 mi), 62236 (6 mi) and 63123 (6.2 mi).

Is 63129 a PO Box ZIP code?

63129 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “63129 ZIP Code — Saint Louis, Missouri (St. Louis County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63129

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/63129.json

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