Find the last 4 digits (ZIP+4) for an address in 01721

ZIP 01721, Ashland, MA is filled in. Just type the street address.

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ZIP Code 01721 – Ashland, MA

Ashland, Massachusetts · Middlesex County · Eastern time

ZIP code01721
CityAshland
StateMassachusetts
CountyMiddlesex County
Population18,873
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area12.34 sq mi
Center (lat, long)42.2578, -71.4735

Area codes in this area

781339

These are the area codes that most often serve ZIP 01721 (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

01702 Framingham · 2.5 mi01745 Fayville · 2.7 mi01748 Hopkinton · 4.1 mi01772 Southborough · 4.3 mi01746 Holliston · 4.4 mi01701 Framingham · 4.5 mi01784 Woodville · 4.7 mi01770 Sherborn · 5.4 mi

About ZIP 01721

ZIP code 01721 is assigned to Ashland, Massachusetts. It lies in Middlesex County. Its Census area covers about 12.34 square miles of land. The closest neighboring ZIP is 01702 (Framingham), about 2.5 miles away.

Every address in 01721 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