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/DEDHAM

Dedham ZIP codes, Massachusetts

Dedham, MA has 2 ZIP codes (02026 and 02027) and area codes 781, 617 and 339. The largest is 02026.

USPS city name
2 ZIP codes
Population
25,237
Area codes
781, 617, 339

Dedham in numbers

About 25,237 people live in Dedham, in 10,530 households. The median household income is $128,955 a year, 24% above the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $661,800 (18% above the Massachusetts median), and median gross rent is $2,042 a month. The median age is 44.6; 55.0% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 29 minutes.

Population25,237Dedham25,237
Households10,530Dedham10,530
Median age44.6Dedham44.6Massachusetts40.0US 38.9
Median household income$128,955Dedham$128,955Massachusetts$103,960US $80,734
Median home value$661,800Dedham$661,800Massachusetts$562,100US $332,700
Median gross rent$2,042Dedham$2,042Massachusetts$1,762US $1,413
Bachelor's degree or higher55.0%Dedham55.0%Massachusetts47.3%US 35.7%
Mean commute29.3 minDedham29.3 minMassachusetts29.1 minUS 26.4 min
Population density2,457 / sq miDedham2,457 / sq mi

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

ZIP codes addressed as Dedham

ZIP codes with the USPS city name Dedham
ZIP City Type Population Median income Median home
02026 Dedham , MA Standard 25,237 $128,955 $661,800
02027 Dedham , MA No street area — — —

Map of Dedham ZIP codes

0202602027

The ZIP codes of Dedham, 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 Dedham

The nearest larger towns are Needham (32,459 people, 4.0 mi), Norwood (31,542 people, 4.2 mi) and Milton (28,587 people, 5.0 mi).

Towns near Dedham
TownPopulationDistance
Needham 32,459 4.0 mi
Norwood 31,542 4.2 mi
Milton 28,587 5.0 mi
Brookline 63,266 5.7 mi
Newton 89,044 6.0 mi
Wellesley 30,347 6.7 mi
Medfield 6,849 7.4 mi
Randolph Town 34,878 8.0 mi
Walpole 6,461 8.4 mi
Watertown 35,543 8.5 mi
Quincy 102,114 8.8 mi
Sharon 6,232 8.9 mi
Cambridge 118,796 9.4 mi
Braintree Town 38,899 9.5 mi

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

Cite this page

zipcodes.pro. “Dedham, MA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ma/dedham

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