State ZIP codes · MA

Massachusetts ZIP Codes

Massachusetts has 539 residential ZIP codes in 14 counties, with first three digits 010–027, 055, plus 146 PO Box or single-organization ZIP codes (Census 2020 ZCTAs; GeoNames postal codes, October 2026).

  • ACS2020-24
  • Census2020
  • GeoNames2026

Map of Massachusetts's ZIP codes

Map of the residential ZIP codes of Massachusetts, shaded by median household income in national fifths
Residential ZIP codes (Census 2020 ZCTA outlines), shaded by median household income in national fifths (ACS 2020-2024). The full list follows. <$54.1k$98.1k+

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

Which Massachusetts ZIP codes earn the most and least?

Highest median household income
01741Carlisle · $250,000 or more
Lowest median household income
01103Springfield · $21,355
Highest median home value
02142Cambridge · $1,954,500
Lowest median home value
01103Springfield · $185,700

Highest and lowest among the ZIP codes of 1,000 or more people living in households, whose estimate's margin is at most 25% of it (a campus, a base or a ZIP code of a few hundred people does not lead). 6 ranked ZIP codes report a median household income at the ACS cap of $250,000 or more; they share the top. One more ZIP code, too small or too institutional to rank, reports the cap.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077); every residential ZIP code with an estimate.

Which Massachusetts cities have the most ZIP codes?

ZIP codes by their first three digits

  • 010 Hartford, CT 70 ZIPs
  • 011 Hartford, CT 22 ZIPs
  • 012 Hartford, CT 37 ZIPs
  • 013 Central, MA 31 ZIPs
  • 014 Central, MA 26 ZIPs
  • 015 Central, MA 51 ZIPs
  • 016 Central, MA 17 ZIPs
  • 017 Central, MA 31 ZIPs
  • 018 Middlesex-Esx, MA 47 ZIPs
  • 019 Middlesex-Esx, MA 38 ZIPs
  • 020 Brockton, MA 38 ZIPs
  • 021 Boston, MA 62 ZIPs
  • 022 Boston, MA 20 ZIPs
  • 023 Brockton, MA 45 ZIPs
  • 024 Boston, MA 36 ZIPs
  • 025 Providence, RI 28 ZIPs
  • 026 Providence, RI 40 ZIPs
  • 027 Providence, RI 44 ZIPs
  • 055 Middlesex-Esx, MA 2 ZIPs

ZIP codes in each county of Massachusetts

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file; GeoNames postal codes (CC BY 4.0).

Every ZIP code in Massachusetts, by county

Download the 685 ZIP codes as CSV

Barnstable

Berkshire

Bristol

Dukes

Essex

Franklin

Hampden

Hampshire

Middlesex

Nantucket

Norfolk

Plymouth

Suffolk

Worcester

Source: U.S. Census Bureau 2020 ZCTAs; GeoNames postal codes for ZIP codes without a residential area.