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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/29404

29404

ZIP 29404 is Charleston Afb, South Carolina, in Charleston County; area codes 843 and 854; Eastern time.

Type
Standard
Time zone
America/New_York
County
Charleston
Population
2,334
Coordinates
32.8978, -80.0524
☼ Live from 29404 — Charleston Afb, SC

Weather right now

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NEXRAD radar
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Local time: —

Where 29404 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 29404
  • 🔢 Type 29404 into a pocket calculator and turn it upside down: hOhGZ — not quite a word, sorry.
  • ➕ As a number, 29,404 = 2 × 2 × 7351. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111001011011100
  • 🏠 Its numerical neighbours: 29403 (Charleston, SC, 9 mi away) and 29405 (North Charleston, SC, 5 mi away).
  • 🔄 Backwards, 29404 becomes 40492 — and that is a real ZIP code: Wildie, KY, 394 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (02494, 04294, 04429, 04492, 04924, 04942, …). The farthest-flung twin is 09244 in APO AE, a military post office, 4,525 miles away.
  • 🧭 Farther south than 84% of all ZIP codes, and farther east than 74%.
  • 🎯1,134 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 29404 and you would come out at 32.90°S, 99.95°E — 930 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 19m of daylight. Shortest: 9h 59m.
  • 📏 At 5.1 square miles of land, 29404 is bigger than 19% of ZIP codes — room for about 3.8 Central Parks.
🌙 The sky over 29404 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,334This ZIP2,334
Households592This ZIP592
Housing units676This ZIP676
Median age21.2This ZIP21.2South Carolina40.2US 38.9
Median household income$54,716This ZIP$54,716South Carolina$69,324US $80,734
Median gross rent$1,939This ZIP$1,939South Carolina$1,180US $1,413
Bachelor's degree or higher36.4%This ZIP36.4%
Mean commute9.4 minThis ZIP9.4 min
Population density462.1 / sq miThis ZIP462.1 / sq mi

Business and tax activity

Business establishments28This ZIP28
Employees190This ZIP190
Annual payroll$13,874,000This ZIP$13,874,000
Tax returns filed800This ZIP800
Total adjusted gross income$35,285,000This ZIP$35,285,000

Land area

Land area5.05 sq miThis ZIP5.05 sq mi
Water area0.00 sq mi

Other place names in 29404

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

ZIP codes near 29404

ZIPCityDistance
29418 North Charleston, SC 2.6 mi
29406 Charleston, SC 2.9 mi
29410 Hanahan, SC 3.5 mi
29420 North Charleston, SC 3.7 mi
29414 Charleston, SC 4.9 mi
29405 North Charleston, SC 5.3 mi
29415 North Charleston, SC 5.4 mi
29419 North Charleston, SC 5.4 mi
29456 Ladson, SC 6.9 mi
29407 Charleston, SC 7.5 mi

Find every ZIP code within 10 miles of 29404 →

Questions about this ZIP code

Where is ZIP code 29404?

29404 is in Charleston Afb, South Carolina, in Charleston County, part of the Charleston-North Charleston, SC metropolitan area. Its published point location is 32.8978, -80.0524.

What county is 29404 in?

29404 lies in Charleston County.

What area code is 29404?

Charleston Afb uses area codes 843 and 854, from NANPA's telephone records.

What time zone is 29404 in?

29404 uses America/New_York.

How many people live in 29404?

About 2,334 people live in ZIP code 29404, in 592 households, at 462.1 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 29404?

$54,716 a year, against $69,324 across South Carolina.

What ZIP codes are near 29404?

The closest are 29418 (2.6 mi), 29406 (2.9 mi), 29410 (3.5 mi), 29420 (3.7 mi) and 29414 (4.9 mi).

Is 29404 a PO Box ZIP code?

29404 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “29404 ZIP Code — Charleston Afb, South Carolina (Charleston County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/29404

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