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 — CITY/SC/SOUTH-UNION

South Union ZIP codes, South Carolina

No ZIP code is named for South Union, SC; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 29693 and 29643. Its area code is 864.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
447
Area code
864

NANPA lists no telephone rate centre for South Union itself, so these are the area codes of the nearest one, Westminster (0.0 miles). A town on an area-code boundary can differ from its neighbour.

South Union in numbers

About 447 people live in South Union, in 116 households. The median age is 39.8; 4.7% of adults 25 and over hold a bachelor's degree or higher (32.1% across South Carolina).

Population447South Union447
Households116South Union116
Median age39.8South Union39.8South Carolina40.2US 38.9
Bachelor's degree or higher4.7%South Union4.7%South Carolina32.1%US 35.7%
Population density172 / sq miSouth Union172 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place South Union CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering South Union

These ZIP codes cover part of South Union but are addressed as somewhere else.

ZIP codes overlapping South Union
ZIP City Type Population Median income Median home
29643 Fair Play , SC Standard 2,751 $80,517 $235,900
29693 Westminster , SC Standard 15,114 $54,503 $167,900

Map of South Union ZIP codes

The ZIP codes of South Union, SC, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near South Union

The nearest larger towns are Chickasaw Point (620 people, 2.3 mi), Gumlog, GA (2,382 people, 4.9 mi) and Fair Play (757 people, 5.0 mi).

Towns near South Union
TownPopulationDistance
Westminster 2,521 7.8 mi
Seneca 8,993 9.6 mi
Reed Creek, GA 3,151 11.2 mi
Walhalla 4,157 14.5 mi
Clemson University 7,015 14.6 mi
Toccoa, GA 9,238 15.9 mi
Clemson 18,072 16.0 mi
Hartwell, GA 4,562 16.1 mi
Pendleton 3,594 16.4 mi
Centerville 7,049 19.0 mi
Central 5,320 19.3 mi
Keowee Key 3,351 19.7 mi
Northlake 4,390 20.8 mi
Homeland Park 6,632 23.2 mi

More nearby: every ZIP code in Oconee County · South Carolina ZIP codes

Cite this page

zipcodes.pro. “South Union, SC ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sc/south-union

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