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/29817

29817

ZIP 29817 is Blackville, South Carolina, mostly in Barnwell County; area codes 803 and 839; Eastern time.

Type
Standard
Time zone
America/New_York
County
Barnwell +1 more
Metro area
none
Population
4,139
Coordinates
33.3695, -81.2708
☼ Live from 29817 — Blackville, SC

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 29817 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 29817
  • 🔢 Type 29817 into a pocket calculator and turn it upside down: LIBGZ — not quite a word, sorry.
  • ➕ As a number, 29,817 = 3 × 3 × 3313. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111010001111001
  • 🏠 Its numerical neighbours: 29816 (Bath, SC, 36 mi away) and 29819 (Bradley, SC, 72 mi away).
  • 🔄 Backwards, 29817 becomes 71892, which is not a ZIP code at all.
  • 👥 36 other ZIP codes are made of exactly the same digits (12789, 12879, 12978, 12987, 17829, 17982, …). The farthest-flung twin is 97128 in Mcminnville, OR, 2,360 miles away.
  • 🧭 Farther south than 83% of all ZIP codes, and farther east than 69%.
  • 🎯1,056 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 29817 and you would come out at 33.37°S, 98.73°E — 1,000 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 22m of daylight. Shortest: 9h 56m.
  • 📏 At 114.5 square miles of land, 29817 is bigger than 81% of ZIP codes — room for about 87 Central Parks.
🌙 The sky over 29817 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,139This ZIP4,139
Households1,676This ZIP1,676
Housing units2,284This ZIP2,284
Median age41.9This ZIP41.9South Carolina40.2US 38.9
Median household income$41,579This ZIP$41,579South Carolina$69,324US $80,734
Median home value$84,300This ZIP$84,300South Carolina$259,000US $332,700
Median gross rent$955This ZIP$955South Carolina$1,180US $1,413
Bachelor's degree or higher9.4%This ZIP9.4%
Mean commute27.8 minThis ZIP27.8 min
Population density36.1 / sq miThis ZIP36.1 / sq mi

Business and tax activity

Business establishments48This ZIP48
Employees549This ZIP549
Annual payroll$17,523,000This ZIP$17,523,000
Tax returns filed1,720This ZIP1,720
Total adjusted gross income$69,318,000This ZIP$69,318,000

Land area

Land area114.54 sq miThis ZIP114.54 sq mi
Water area0.66 sq miThis ZIP0.66 sq mi

Counties 29817 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Barnwell County 83.8%
Bamberg County 16.2%

Other place names in 29817

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

ZIP codes near 29817

ZIPCityDistance
29826 Elko, SC 5.2 mi
29813 Hilda, SC 6.8 mi
29042 Denmark, SC 8.4 mi
29113 Norway, SC 8.9 mi
29853 Williston, SC 9.5 mi
29146 Springfield, SC 9.7 mi
29812 Barnwell, SC 12.5 mi
29107 Neeses, SC 13.8 mi
29843 Olar, SC 14.0 mi
29137 Salley, SC 15.9 mi

Find every ZIP code within 10 miles of 29817 →

Questions about this ZIP code

Where is ZIP code 29817?

29817 is in Blackville, South Carolina, in Barnwell County. Its published point location is 33.3695, -81.2708.

What county is 29817 in?

29817 spans 2 counties: Barnwell County and Bamberg County. Most of it falls in Barnwell County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 29817?

Blackville uses area codes 803 and 839, from NANPA's telephone records.

What time zone is 29817 in?

29817 uses America/New_York.

How many people live in 29817?

About 4,139 people live in ZIP code 29817, in 1,676 households, at 36.1 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 29817?

$41,579 a year, against $69,324 across South Carolina.

What ZIP codes are near 29817?

The closest are 29826 (5.2 mi), 29813 (6.8 mi), 29042 (8.4 mi), 29113 (8.9 mi) and 29853 (9.5 mi).

Is 29817 a PO Box ZIP code?

29817 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “29817 ZIP Code — Blackville, South Carolina (Barnwell County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/29817

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/29817.json

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