Find the last 4 digits (ZIP+4) for an address in 01581

ZIP 01581, Westborough, MA is filled in. Just type the street address.

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ZIP Code 01581 – Westborough, MA

Westborough, Massachusetts · Worcester County · Eastern time

ZIP code01581
CityWestborough
StateMassachusetts
CountyWorcester County
Population21,944
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area20.61 sq mi
Center (lat, long)42.2684, -71.6133

Area codes in this area

781339351978

These are the area codes that most often serve ZIP 01581 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

01784 Woodville · 3.4 mi01532 Northborough · 4.1 mi01536 North Grafton · 4.8 mi01748 Hopkinton · 4.8 mi01772 Southborough · 4.8 mi01545 Shrewsbury · 5.3 mi01519 Grafton · 5.6 mi01745 Fayville · 6.1 mi

About ZIP 01581

ZIP code 01581 is assigned to Westborough, Massachusetts. It lies in Worcester County. Its Census area covers about 20.61 square miles of land. The closest neighboring ZIP is 01784 (Woodville), about 3.4 miles away.

Every address in 01581 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources