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/29551

29551

ZIP 29551 is in Hartsville, South Carolina, in Darlington County; area codes 843 and 854; Eastern time. Hartsville has 2 ZIP codes; the other is 29550.

Type
No street area
Time zone
America/New_York
County
Darlington
Metro area
Florence, SC
Coordinates
34.3659, -80.1324

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 29550, whose figures describe that area — not this ZIP code.

☼ Live from 29551 — Hartsville, SC

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Local time: —

Where 29551 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 29551
  • 🔢 Type 29551 into a pocket calculator and turn it upside down: ISSGZ — not quite a word, sorry.
  • ➕ As a number, 29,551 = 29 × 1019. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111001101101111
  • 🏠 Its numerical neighbours: 29550 (Hartsville, SC, 4 mi away) and 29554 (Hemingway, SC, 62 mi away).
  • 🔄 Backwards, 29551 becomes 15592, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (12955, 15259, 15295, 15925, 15952, 19255, …). The farthest-flung twin is 95521 in Arcata, CA, 2,419 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther east than 73%.
  • 🎯1,082 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 29551 and you would come out at 34.37°S, 99.87°E — 939 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 51m.
🌙 The sky over 29551 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments17This ZIP17
Employees98This ZIP98
Annual payroll$5,859,000This ZIP$5,859,000

Land area

ZIP codes near 29551

ZIPCityDistance
29550 Hartsville, SC 3.7 mi
29079 Lydia, SC 5.4 mi
29101 Mc Bee, SC 10.2 mi
29010 Bishopville, SC 12.7 mi
29069 Lamar, SC 13.0 mi
29009 Bethune, SC 14.3 mi
29584 Patrick, SC 15.2 mi
29540 Darlington, SC 16.1 mi
29532 Darlington, SC 17.1 mi
29046 Elliott, SC 17.6 mi

Find every ZIP code within 10 miles of 29551 →

Questions about this ZIP code

Where is ZIP code 29551?

29551 is in Hartsville, South Carolina, in Darlington County, part of the Florence, SC metropolitan area. Its published point location is 34.3659, -80.1324.

What county is 29551 in?

29551 lies in Darlington County.

What area code is 29551?

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

What time zone is 29551 in?

29551 uses America/New_York.

What ZIP codes are near 29551?

The closest are 29550 (3.7 mi), 29079 (5.4 mi), 29101 (10.2 mi), 29010 (12.7 mi) and 29069 (13 mi).

Is 29551 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “29551 ZIP Code — Hartsville, South Carolina (Darlington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/29551

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/29551.json

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