Onset, Massachusetts
Onset: census designated place
About
Onset is a CDP located in the county of Plymouth in the U.S. state of Massachusetts.
Quick Facts about Onset
| Population | 1,573 |
| Country | United States of America |
| State | Massachusetts (United States) |
| County | Plymouth County |
| Postal code | 02558 |
| Phone Area Codes | 508 |
| Area | 3.35 km2 |
| Latitude & Longitude | 41.7418,-70.6578 |
| Altitude | 10 feet / 3 meters |
| Time Zone | America/New_York |
| Local time | 02:42:40 (19th April 2026) |
Onset Beach image
Geography
Onset is located at 41°44'30"N 70°39'28"W (41.7417700, -70.6578100).
Onset map
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Onset zip code is 02558.
County name: Plymouth, County
fips: 25023
Nearby Schools and Colleges
Schools and campuses linked to Onset, MA. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 166692 | Massachusetts Maritime Academy | Buzzards Bay (MA) | 02532-1803 |
Nearby Transit Stations (12)
Rail and bus stations connected to Onset, MA. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| PVD | Providence station | 100 Gaspee Street | RAIL |
| RTE | Route 128 station | 50 University Ave | RAIL |
| BOS | South Station | 2 South Station | RAIL |
| BBY | Back Bay station | 145 Dartmouth St. | RAIL |
| BON | North Station | 100 Legends Way | RAIL |
Closest post offices linked to Onset.
| Post Office Name | City | ZIP |
|---|---|---|
| On Post Office | Onset (MA) | 02558 |
Other cities in Plymouth County
Cities, towns, neighborhoods & other populated places in Plymouth County , MA. (more)
| City Name | Population | Title |
|---|---|---|
| Brockton | 95,770 | The second most populous city in Plymouth County, Massachusetts. |
| Plymouth | 62,654 | County seat town in Plymouth County, Massachusetts, United States |
| Bridgewater | 27,689 | Town in Plymouth County, Massachusetts, United States |
| Marshfield | 26,037 | Village and civil parish in Gloucestershire, UK |
| Middleborough | 25,722 | Town in Plymouth County, Massachusetts, United States |
| Hingham | 24,720 | Town in Massachusetts, United States |
| Wareham | 22,778 | Town in Massachusetts |
| Scituate | 19,047 | Seacoast town in Plymouth County, Massachusetts |
| Pembroke | 18,553 | Town in Plymouth County, Massachusetts, USA |
| Rockland | 17,992 | City in Knox County, Maine, United States |
| Abington | 16,752 | Town in Plymouth County, Massachusetts, United States |
| Duxbury | 15,932 | Town in Massachusetts |
| Whitman | 15,295 | Town in Plymouth County, Massachusetts, United States |
| Hanover | 14,624 | Town in Massachusetts, United States |
| East Bridgewater | 14,554 | City in Plymouth County, Massachusetts, United States of America |
| Kingston | 12,208 | Coastal town in Plymouth County, Massachusetts, United States |
Distance to Other Cities
Onset distances to largest Massachusetts cities