Find the last 4 digits (ZIP+4) for an address in 01603

ZIP 01603, Worcester, MA is filled in. Just type the street address.

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ZIP Code 01603 – Worcester, MA

Worcester, Massachusetts · Worcester County · Eastern time

ZIP code01603
CityWorcester
StateMassachusetts
CountyWorcester County
Population20,868
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.53 sq mi
Center (lat, long)42.2438, -71.8436

Area codes in this area

351978

These are the area codes that most often serve ZIP 01603 (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

01611 Cherry Valley · 1.7 mi01602 Worcester · 1.8 mi01610 Worcester · 1.8 mi01601 Worcester · 2.5 mi01614 Worcester · 2.5 mi01615 Worcester · 2.5 mi01608 Worcester · 2.5 mi01609 Worcester · 2.9 mi

About ZIP 01603

ZIP code 01603 is assigned to Worcester, Massachusetts. It lies in Worcester County. Its Census area covers about 4.53 square miles of land. The closest neighboring ZIP is 01611 (Cherry Valley), about 1.7 miles away.

Every address in 01603 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