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/DORCHESTER

Dorchester ZIP code, South Carolina

The ZIP code for Dorchester, SC is 29437, and its area code is 843.

USPS city name
1 ZIP code
Population
2,281
Area code
843

NANPA lists no telephone rate centre for Dorchester itself, so these are the area codes of the nearest one, Harleyville (8.6 miles). A town on an area-code boundary can differ from its neighbour.

Dorchester in numbers

About 2,281 people live in Dorchester, in 861 households. The median household income is $61,821 a year, 11% below the South Carolina median of $69,324 (US: $80,734). The median owner-occupied home is valued at $172,900 (33% below the South Carolina median).

Population2,281Dorchester2,281
Households861Dorchester861
Median household income$61,821Dorchester$61,821South Carolina$69,324US $80,734
Median home value$172,900Dorchester$172,900South Carolina$259,000US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Dorchester. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Dorchester

ZIP codes with the USPS city name Dorchester
ZIP City Type Population Median income Median home
29437 Dorchester , SC Standard 2,281 $61,821 $172,900

Map of Dorchester ZIP codes

The ZIP codes of Dorchester, 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 Dorchester

The nearest larger towns are Summerville (51,654 people, 16 mi), Sangaree (8,681 people, 18 mi) and Ladson (16,140 people, 20 mi).

Towns near Dorchester
TownPopulationDistance
Summerville 51,654 16.4 mi
Sangaree 8,681 18.4 mi
Ladson 16,140 19.9 mi
Walterboro 5,480 22.0 mi
Moncks Corner 15,485 25.3 mi
North Charleston 119,913 25.4 mi
Goose Creek 48,078 25.6 mi
Ravenel 2,615 27.0 mi
Hanahan 21,452 27.9 mi
Hollywood 5,382 29.3 mi

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

Cite this page

zipcodes.pro. “Dorchester, SC ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sc/dorchester

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