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/SEABROOK-ISLAND

Seabrook Island ZIP codes, South Carolina

No ZIP code is named for Seabrook Island, SC; addresses there use a neighbouring town's name. The ZIP code covering it is 29455. Its area codes are 843 and 854.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
2,204
Area codes
843, 854

NANPA lists no telephone rate centre for Seabrook Island itself, so these are the area codes of the nearest one, Folly Beach (8.1 miles). A town on an area-code boundary can differ from its neighbour.

Seabrook Island in numbers

About 2,204 people live in Seabrook Island, in 1,250 households. The median household income is $127,500 a year, 84% above the South Carolina median of $69,324 (US: $80,734). The median owner-occupied home is valued at $1,001,400 (3.9 times the South Carolina median), and median gross rent is $3,500+ a month. The median age is 68.9; 78.4% of adults 25 and over hold a bachelor's degree or higher (32.1% across South Carolina); the average commute takes 28 minutes.

Population2,204Seabrook Island2,204
Households1,250Seabrook Island1,250
Median age68.9Seabrook Island68.9South Carolina40.2US 38.9
Median household income$127,500Seabrook Island$127,500South Carolina$69,324US $80,734
Median home value$1,001,400Seabrook Island$1,001,400South Carolina$259,000US $332,700
Median gross rent$3,500+Seabrook Island$3,500+South Carolina$1,180US $1,413
Bachelor's degree or higher78.4%Seabrook Island78.4%South Carolina32.1%US 35.7%
Mean commute28.2 minSeabrook Island28.2 minSouth Carolina25.6 minUS 26.4 min
Population density371 / sq miSeabrook Island371 / sq mi

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

ZIP codes covering Seabrook Island

These ZIP codes cover part of Seabrook Island but are addressed as somewhere else.

ZIP codes overlapping Seabrook Island
ZIP City Type Population Median income Median home
29455 Johns Island , SC Standard 27,576 $121,372 $590,800

Map of Seabrook Island ZIP codes

29455

The ZIP codes of Seabrook Island, 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 Seabrook Island

The nearest larger towns are Kiawah Island (2,326 people, 7.6 mi), Hollywood (5,382 people, 12 mi) and Ravenel (2,615 people, 14 mi).

Towns near Seabrook Island
TownPopulationDistance
Hollywood 5,382 12.2 mi
Ravenel 2,615 14.2 mi
James Island 12,198 18.1 mi
Charleston 154,338 21.3 mi
Mount Pleasant 93,993 24.5 mi
North Charleston 119,913 24.6 mi
Hanahan 21,452 26.7 mi
Isle of Palms 4,362 29.6 mi
Summerville 51,654 29.8 mi

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

Cite this page

zipcodes.pro. “Seabrook Island, SC ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sc/seabrook-island

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