ZIP code · Oak Bluffs · Massachusetts · United States
ZIP code 02557 — Oak Bluffs
ZIP code 02557 serves Oak Bluffs, Massachusetts.
- Postal code
- 02557Single source Value from one source, not cross-checked.
- City
- Oak Bluffs
- County
- Dukes
- State
- Massachusetts
- Country
- United States
- Coordinates
- 41.4543, -70.5620 — precision precise (locality)
View on OpenStreetMap - Population
- 1,849 (ZCTA, ACS 5-year)
- Median household income
- $95,287
- Median age
- 53.4
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page