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City ZIP codes · Massachusetts

Worcester, MA ZIP Codes

15 ZIP codes use the postal name Worcester, Massachusetts (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 9 residential and 6 for PO boxes or a single organization. Median household income runs from $45,687 in 01608 to $92,105 in 01606, 2.0 times as much (Census Bureau, ACS 2020-2024). Worcester's most populous ZIP code is 01604, with 39,812 people (ACS 2020-2024); 100% of its land is in the city of Worcester.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Worcester's ZIP codes?

01602: $92k median household income01603: $66k median household income01604: $74k median household income01605: $55k median household income01606: $92k median household income01607: $79k median household income01608: $46k median household income01609: $68k median household income01610: $52k median household income01605016040160601602016090160301607016100160801602: $92k median household income01603: $66k median household income01604: $74k median household income01605: $55k median household income01606: $92k median household income01607: $79k median household income01608: $46k median household income01609: $68k median household income01610: $52k median household income01605016040160601602016090160301607016100160801602: $92k median household income01603: $66k median household income01604: $74k median household income01605: $55k median household income01606: $92k median household income01607: $79k median household income01608: $46k median household income01609: $68k median household income01610: $52k median household income0160501604016060160201609016030160701610
The 9 residential ZIP codes named Worcester, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Worcester's ZIP codes?

The highest median household income is in 01606 ($92,105), the lowest in 01608 ($45,687). Home values run from $308,700 in 01610 to $444,000 in 01609.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 9 residential ZIP codes of Worcester

Residential ZIP codes with the postal name Worcester, MA, largest first (ACS 2020-2024); sort by any column
County
01604 Worcester County 39,812 6,001 $74k $353k
01605 Worcester County 30,579 5,408 $55k $392k
01610 Worcester County 30,444 14,280 $52k $309k
01602 Worcester County 27,092 4,648 $92k $417k
01606 Worcester County 22,844 3,815 $92k $371k
01609 Worcester County 22,047 5,904 $68k $444k
01603 Worcester County 20,868 4,608 $66k $331k
01607 Worcester County 8,706 2,877 $79k $377k
01608 Worcester County 4,932 10,232 $46k $154k

Download the 15 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Worcester

6 ZIP codes named Worcester have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Worcester, MA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
01601Worcester County
01613Worcester County
01614Worcester County
01615Worcester County
01653Worcester County
01655Worcester County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Worcester's ZIP codes reach?

Worcester's residential ZIP codes lie in Worcester County.

Which first three digits do Worcester's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Worcester starts with 016.

Three-digit prefixes of Worcester's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Worcester's
PrefixSectional centerHereAll codes
016 Central, MA (SCF 015) 15 17

15 of the 17 ZIP codes that start with 016 are Worcester's, all sorted at Central, MA (SCF 015). The other 2 are 01611 (Cherry Valley), 01612 (Paxton).

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.