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/SOMERVILLE

Somerville ZIP codes, Massachusetts

Somerville, MA has 3 ZIP codes (02145, 02143 and 02144) and area codes 617 and 857. The largest is 02145.

USPS city name
3 ZIP codes
Overlapping the city
3 more
Population
81,036
Area codes
617, 857

Mail addressed to Somerville uses the ZIP codes above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Somerville in numbers

About 81,036 people live in Somerville, in 35,715 households, the 13th-largest of Massachusetts's 248 census places. The median household income is $132,572 a year, 28% above the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $911,300 (62% above the Massachusetts median), and median gross rent is $2,517 a month. The median age is 31.9; 69.4% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 31 minutes.

Population81,036Somerville81,036
Households35,715Somerville35,715
Median age31.9Somerville31.9Massachusetts40.0US 38.9
Median household income$132,572Somerville$132,572Massachusetts$103,960US $80,734
Median home value$911,300Somerville$911,300Massachusetts$562,100US $332,700
Median gross rent$2,517Somerville$2,517Massachusetts$1,762US $1,413
Bachelor's degree or higher69.4%Somerville69.4%Massachusetts47.3%US 35.7%
Mean commute31.0 minSomerville31.0 minMassachusetts29.1 minUS 26.4 min
Population density19,669 / sq miSomerville19,669 / sq mi

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

ZIP codes addressed as Somerville

ZIP codes with the USPS city name Somerville
ZIP City Type Population Median income Median home
02145 Somerville , MA Standard 27,495 $123,755 $828,600
02143 Somerville , MA Standard 25,513 $130,753 $926,800
02144 Somerville , MA Standard 25,448 $150,313 $988,800

Other ZIP codes overlapping Somerville

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

ZIP codes overlapping Somerville
ZIP City Type Population Median income Median home
02138 Cambridge , MA Standard 38,509 $119,967 $1,212,400
02140 Cambridge , MA Standard 21,204 $135,286 $1,149,800
02155 Medford , MA Standard 61,730 $129,700 $755,500

Map of Somerville ZIP codes

021450214302144

The ZIP codes of Somerville, 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 Somerville

The nearest larger towns are Cambridge (118,796 people, 1.3 mi), Boston (666,442 people, 5.5 mi) and Newton (89,044 people, 6.8 mi).

Towns near Somerville
TownPopulationDistance
Cambridge 118,796 1.3 mi
Medford 59,354 2.3 mi
Everett 50,045 2.6 mi
Malden 65,906 3.4 mi
Chelsea 39,908 3.6 mi
Arlington 46,350 3.8 mi
Belmont 27,175 4.1 mi
Watertown 35,543 4.2 mi
Winchester 23,406 4.8 mi
Melrose 29,650 5.0 mi
Brookline 63,266 5.1 mi
Boston 666,442 5.5 mi
Stoneham 23,355 5.8 mi
Revere 60,012 6.0 mi

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

Cite this page

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

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