ZIP code · Onset · Massachusetts · United States
ZIP code 02558 — Onset
ZIP code 02558 serves Onset, Massachusetts.
- Postal code
- 02558Single source Value from one source, not cross-checked.
- City
- Onset
- County
- Plymouth FIPS 25023
- State
- Massachusetts
- Country
- United States
- Coordinates
- 41.7476, -70.6582 — precision precise (locality)
View on OpenStreetMap - Population
- 1,658 (ZCTA, ACS 5-year)
- Population density
- 1,486 / sq mi
- Land area
- 1.1 sq mi (2.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $58,594
- Per-capita income
- $46,713
- Median age
- 58.4
- Households
- 890
- Housing units
- 1,766
- Median home value
- $426,900
- Median gross rent
- $1,482 / month
- Congressional district
- MA-9 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 02558 with another ZIP · ZIPs within 25 miles · distance from 02558
Map of ZIP code 02558
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 22°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 41 | 46 | 56 | 66 | 75 | 81 | 80 | 73 | 63 | 53 | 44 |
| Avg low °F | 22 | 22 | 28 | 37 | 48 | 57 | 64 | 63 | 55 | 44 | 35 | 27 |
| Precip in | 4.2 | 3.7 | 5.6 | 4.6 | 3.8 | 3.7 | 3.1 | 3.6 | 4.5 | 5.0 | 4.5 | 5.0 |
NOAA 1991–2020 climate normals from the nearest station: E WAREHAM (1.4 mi) · NOAA NCEI
Places in ZIP 02558
- 1 restaurants & cafés
- 13 parks
- 3 playgrounds
- 1 libraries
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page