Find the last 4 digits (ZIP+4) for an address in 01451

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ZIP Code 01451 – Harvard, MA

Harvard, Massachusetts · Worcester County · Eastern time

ZIP code01451
CityHarvard
StateMassachusetts
CountyWorcester County
Population5,487
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area21.05 sq mi
Center (lat, long)42.5019, -71.5682

Area codes in this area

781339

These are the area codes that most often serve ZIP 01451 (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

01467 Still River · 2.5 mi01719 Boxborough · 2.6 mi01434 Devens · 3.1 mi01432 Ayer · 4.5 mi01460 Littleton · 4.6 mi01740 Bolton · 4.6 mi01523 Lancaster · 5.6 mi01775 Stow · 5.7 mi

About ZIP 01451

ZIP code 01451 is assigned to Harvard, Massachusetts. It lies in Worcester County. Its Census area covers about 21.05 square miles of land. The closest neighboring ZIP is 01467 (Still River), about 2.5 miles away.

Every address in 01451 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