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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/29721

29721

ZIP 29721 is in Lancaster, South Carolina, in Lancaster County; area codes 803 and 839; Eastern time. Lancaster has 3 ZIP codes; the others are 29720 and 29722.

Type
No street area
Time zone
America/New_York
County
Lancaster
Coordinates
34.6994, -80.7817

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 29720, whose figures describe that area — not this ZIP code.

☼ Live from 29721 — Lancaster, SC

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Where 29721 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 29721
  • 🔢 Type 29721 into a pocket calculator and turn it upside down: IZLGZ — not quite a word, sorry.
  • ➕ As a number, 29,721 = 3 × 9907. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111010000011001
  • 🏠 Its numerical neighbours: 29720 (Lancaster, SC, 4 mi away) and 29722 (Lancaster, SC, 8 mi away).
  • 🔄 Backwards, 29721 becomes 12792 — and that is a real ZIP code: Yulan, NY, 567 miles away.
  • 👥 31 other ZIP codes are made of exactly the same digits (12729, 12792, 12927, 12972, 17229, 17922, …). The farthest-flung twin is 97122 in Hebo, OR, 2,361 miles away.
  • 🧭 Farther south than 76% of all ZIP codes, and farther east than 71%.
  • 🎯1,039 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 29721 and you would come out at 34.70°S, 99.22°E — 978 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 29m of daylight. Shortest: 9h 49m.
🌙 The sky over 29721 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments35This ZIP35
Employees362This ZIP362
Annual payroll$12,623,000This ZIP$12,623,000

Land area

ZIP codes near 29721

ZIPCityDistance
29720 Lancaster, SC 3.8 mi
29714 Fort Lawn, SC 7.6 mi
29722 Lancaster, SC 8.4 mi
29058 Heath Springs, SC 10.2 mi
29055 Great Falls, SC 11.5 mi
29744 Van Wyck, SC 11.6 mi
29704 Catawba, SC 11.7 mi
29729 Richburg, SC 12.8 mi
29712 Edgemoor, SC 12.9 mi
29724 Lando, SC 14.1 mi

Find every ZIP code within 10 miles of 29721 →

Questions about this ZIP code

Where is ZIP code 29721?

29721 is in Lancaster, South Carolina, in Lancaster County, part of the Charlotte-Concord-Gastonia, NC-SC metropolitan area. Its published point location is 34.6994, -80.7817.

What county is 29721 in?

29721 lies in Lancaster County.

What area code is 29721?

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

What time zone is 29721 in?

29721 uses America/New_York.

What ZIP codes are near 29721?

The closest are 29720 (3.8 mi), 29714 (7.6 mi), 29722 (8.4 mi), 29058 (10.2 mi) and 29055 (11.5 mi).

Is 29721 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. “29721 ZIP Code — Lancaster, South Carolina (Lancaster County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/29721

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/29721.json

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