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/WESTMINSTER

Westminster ZIP codes, Massachusetts

Westminster, MA has 2 ZIP codes (01473 and 01441) and area codes 978 and 351. The largest is 01473.

USPS city name
2 ZIP codes
Population
8,374
Area codes
978, 351

Westminster in numbers

About 8,374 people live in Westminster, in 3,295 households. The median household income is $106,331 a year, about the same as the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $422,000 (25% below the Massachusetts median).

Population8,374Westminster8,374
Households3,295Westminster3,295
Median household income$106,331Westminster$106,331Massachusetts$103,960US $80,734
Median home value$422,000Westminster$422,000Massachusetts$562,100US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the 2 ZIP codes addressed as Westminster, medians weighted by households. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Westminster

ZIP codes with the USPS city name Westminster
ZIP City Type Population Median income Median home
01473 Westminster , MA Standard 8,374 $106,331 $422,000
01441 Westminster , MA No street area — — —

Map of Westminster ZIP codes

0147301441

The ZIP codes of Westminster, 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 Westminster

The nearest larger towns are Gardner (21,148 people, 4.7 mi), Fitchburg (41,798 people, 5.9 mi) and Leominster (43,909 people, 7.3 mi).

Towns near Westminster
TownPopulationDistance
Gardner 21,148 4.7 mi
Fitchburg 41,798 5.9 mi
Leominster 43,909 7.3 mi
Baldwinville 2,528 9.5 mi
Winchendon 4,331 11.3 mi
Clinton 7,658 14.5 mi
Ayer 3,098 16.5 mi
Athol 8,801 16.7 mi
Jaffrey, NH 3,277 19.0 mi
Orange 3,737 19.9 mi
Worcester 207,055 20.1 mi
Hudson 15,719 20.6 mi
Northborough 6,392 21.1 mi
North Brookfield 2,659 21.3 mi

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

Cite this page

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

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