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/MA/SOUTH-DENNIS

South Dennis ZIP code, Massachusetts

The ZIP code for South Dennis, MA is 02660, and its area codes are 508 and 774.

USPS city name
1 ZIP code
Population
3,135
Area codes
508, 774

NANPA lists no telephone rate centre for South Dennis itself, so these are the area codes of the nearest one, Dennis (2.6 miles). A town on an area-code boundary can differ from its neighbour.

South Dennis in numbers

About 3,135 people live in South Dennis, in 1,597 households. The median household income is $88,411 a year, 15% below the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $495,700 (12% below the Massachusetts median), and median gross rent is $2,003 a month. The median age is 57.6; 43.3% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 25 minutes.

Population3,135South Dennis3,135
Households1,597South Dennis1,597
Median age57.6South Dennis57.6Massachusetts40.0US 38.9
Median household income$88,411South Dennis$88,411Massachusetts$103,960US $80,734
Median home value$495,700South Dennis$495,700Massachusetts$562,100US $332,700
Median gross rent$2,003South Dennis$2,003Massachusetts$1,762US $1,413
Bachelor's degree or higher43.3%South Dennis43.3%Massachusetts47.3%US 35.7%
Mean commute24.7 minSouth Dennis24.7 minMassachusetts29.1 minUS 26.4 min
Population density689 / sq miSouth Dennis689 / sq mi

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

ZIP codes addressed as South Dennis

ZIP codes with the USPS city name South Dennis
ZIP City Type Population Median income Median home
02660 South Dennis , MA Standard 6,381 $93,386 $559,600

Map of South Dennis ZIP codes

02660

The ZIP codes of South Dennis, MA, 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 Dennis

The nearest larger towns are Northwest Harwich (3,932 people, 2.4 mi), Dennis Port (3,691 people, 2.6 mi) and Yarmouth Port (5,961 people, 3.6 mi).

Towns near South Dennis
TownPopulationDistance
East Dennis 3,062 2.2 mi
Northwest Harwich 3,932 2.4 mi
Dennis Port 3,691 2.6 mi
West Dennis 2,556 2.7 mi
Yarmouth Port 5,961 3.6 mi
South Yarmouth 11,552 3.6 mi
East Harwich 5,654 6.1 mi
West Yarmouth 6,194 6.5 mi
Barnstable Town 49,568 11.0 mi
East Sandwich 3,864 14.6 mi
Sandwich 2,890 18.3 mi
Forestdale 3,801 18.6 mi
Sagamore 4,072 20.4 mi
East Falmouth 6,245 23.0 mi

More nearby: every ZIP code in Barnstable County · Massachusetts ZIP codes

Cite this page

zipcodes.pro. “South Dennis, MA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ma/south-dennis

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