Find the last 4 digits (ZIP+4) for an address in 01523

ZIP 01523, Lancaster, MA is filled in. Just type the street address.

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ZIP Code 01523 – Lancaster, MA

Lancaster, Massachusetts · Worcester County · Eastern time

ZIP code01523
CityLancaster
StateMassachusetts
CountyWorcester County
Population8,606
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area27.43 sq mi
Center (lat, long)42.4836, -71.6756

Area codes in this area

351978

These are the area codes that most often serve ZIP 01523 (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

01561 South Lancaster · 2.7 mi01467 Still River · 3.2 mi01434 Devens · 4.6 mi01740 Bolton · 4.8 mi01510 Clinton · 5 mi01453 Leominster · 5.1 mi01451 Harvard · 5.6 mi01564 Sterling · 5.7 mi

About ZIP 01523

ZIP code 01523 is assigned to Lancaster, Massachusetts. It lies in Worcester County. Its Census area covers about 27.43 square miles of land. The closest neighboring ZIP is 01561 (South Lancaster), about 2.7 miles away.

Every address in 01523 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