| City: | Duxbury, Massachusetts |
| County: | Plymouth County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 7:51:50 PM |
| Population: | No Population Data |
| Area Codes: | 339 / 781 |
| Classification: | PO Box |
| Coordinates: | 42.0414, -70.6726 |
| Quick Link: |
Duxbury's 02331 ZIP code serves primarily as a PO Box facility for the town's residents and businesses. With 727 PO Boxes and 275 business boxes, the post office at this location handles mail for customers who prefer centralized delivery or live in areas without street service.
The facility operates alongside the town's standard delivery ZIP code (02332), which provides street delivery throughout most of Duxbury. This dual-ZIP arrangement is common in Massachusetts coastal communities, where the PO Box ZIP gives residents and seasonal visitors a permanent mailing address independent of their physical location. The 297 street delivery records associated with this ZIP include Washington Street (165 units) and Depot Street (132 units), both located near the post office itself.
The two streets in this ZIP are located immediately adjacent to the post office facility. Washington Street and Depot Street are classic New England town center street names, reflecting Duxbury's colonial-era settlement patterns. Both streets contain buildings with multiple delivery points (units), suggesting commercial or multi-tenant structures near the postal facility.
ZIP Code 02331 supports both business and residential activity. According to the Business Census (2024), there are 31 business establishments, employing about 138 people with an annual payroll of $7,560,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,219Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 31Source: CBP |
| 1st Quarter Payroll: | $1,390,000Source: CBP |
| Annual Payroll: | $7,560,000Source: CBP |
| # of Employees: | 138Source: CBP |
ZIP Code 02331 is located in Plymouth County, Massachusetts, within the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area (CBSA 14460) and Massachusetts's 9th Congressional District. This Metro area has a population of 4,552,402 people, about 0.00% of whom live in ZIP Code 02331, and is subdivided into the Boston, MA division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Boston-Cambridge-Newton, MA-NHSource: Census |
| CBSA Number: | 14460Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Boston, MA (CBSA Div 14454)Source: Census |
| CBSA Population: | 4,552,402Source: Census |
| MSA: | Boston-Worcester-Lawrence, MA-NH-ME-CT CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 09Source: USPS |
| Congressional Land Area: | 1214.74 sq miSource: Census |
| PMSA: | Boston, MA-NH PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2517860Source: Census |
| Place Name: | Duxbury CDP; MassachusettsSource: Census |
We could not locate which school district 02331 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.