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/WESTBOROUGH

Westborough ZIP code, Massachusetts

The ZIP code for Westborough, MA is 01581, and its area codes are 508 and 774.

USPS city name
1 ZIP code
Population
4,699
Area codes
508, 774

NANPA lists no telephone rate centre for Westborough itself, so these are the area codes of the nearest one, Hopkinton (4.8 miles). A town on an area-code boundary can differ from its neighbour.

Westborough in numbers

About 4,699 people live in Westborough, in 1,958 households. The median household income is $106,200 a year, about the same as the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $584,900 (4% above the Massachusetts median), and median gross rent is $1,627 a month. The median age is 37.5; 54.9% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 29 minutes.

Population4,699Westborough4,699
Households1,958Westborough1,958
Median age37.5Westborough37.5Massachusetts40.0US 38.9
Median household income$106,200Westborough$106,200Massachusetts$103,960US $80,734
Median home value$584,900Westborough$584,900Massachusetts$562,100US $332,700
Median gross rent$1,627Westborough$1,627Massachusetts$1,762US $1,413
Bachelor's degree or higher54.9%Westborough54.9%Massachusetts47.3%US 35.7%
Mean commute29.1 minWestborough29.1 minMassachusetts29.1 minUS 26.4 min
Population density2,489 / sq miWestborough2,489 / sq mi

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

ZIP codes addressed as Westborough

ZIP codes with the USPS city name Westborough
ZIP City Type Population Median income Median home
01581 Westborough , MA Standard 21,944 $141,944 $685,300

Map of Westborough ZIP codes

The ZIP codes of Westborough, 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 Westborough

The nearest larger towns are Northborough (6,392 people, 3.4 mi), Marlborough (41,647 people, 6.7 mi) and Hudson (15,719 people, 9.0 mi).

Towns near Westborough
TownPopulationDistance
Northborough 6,392 3.4 mi
Cordaville 2,989 4.9 mi
Hopkinton 3,426 5.6 mi
Upton 3,234 5.9 mi
Marlborough 41,647 6.7 mi
Hudson 15,719 9.0 mi
Milford 27,731 9.5 mi
Framingham 72,399 9.7 mi
Worcester 207,055 9.7 mi
Hopedale 4,360 10.5 mi
Whitinsville 7,115 10.6 mi
Clinton 7,658 11.0 mi
Maynard 10,712 13.7 mi
East Douglas 2,987 13.9 mi

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

Cite this page

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

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