| City: | Brockton, Massachusetts |
| County: | Plymouth County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:30:36 PM |
| Population: | No Population Data |
| Area Codes: | 508 / 774 / 781 |
| Classification: | PO Box |
| Coordinates: | 42.0834, -71.0188 |
| Quick Link: |
ZIP code 02303 exists as a PO Box-only zone within Brockton, Massachusetts. It doesn't cover a geographic territory. Instead, it's a point location contained within the larger 02302 ZIP code. The post office at this location maintains 708 PO Boxes, serving businesses and residents who prefer or require a PO Box address in downtown Brockton.
This isn't a PO Box Only Zone in the USPS sense. Street delivery exists throughout Brockton via the surrounding 02301 and 02302 ZIPs. The 02303 designation functions as a dedicated PO Box ZIP, separating box mail from carrier route delivery. All 708 boxes are located at the Commercial Street post office. The facility also supports 243 business delivery points and employs around 459 people across 8 establishments.
PO Box Street Addressing (PBSA) is available here. Instead of writing "PO Box 123, Brockton, MA 02303," customers can use "45 Commercial St Unit 123, Brockton, MA 02303." Both formats deliver to the same box. This option works well for businesses that want a street-style address rather than a traditional PO Box format.
Commercial Street is the post office location. Most records are PO Box Street Addressing units rather than actual street delivery points.
ZIP Code 02303 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 423 people with an annual payroll of $57,126,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,717Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 6Source: CBP |
| 1st Quarter Payroll: | $8,168,000Source: CBP |
| Annual Payroll: | $57,126,000Source: CBP |
| # of Employees: | 423Source: CBP |
ZIP Code 02303 is located in Plymouth County, Massachusetts, within the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area (CBSA 14460) and Massachusetts's 8th Congressional District. This Metro area has a population of 4,917,661 people, about 0.00% of whom live in ZIP Code 02303, 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: | 4,917,661Source: Census |
| MSA: | Boston-Worcester-Lawrence, MA-NH-ME-CT CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 08Source: USPS |
| Congressional Land Area: | 326.37 sq miSource: Census |
| PMSA: | Brockton, MA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2509000Source: Census |
| Place Name: | Brockton city; MassachusettsSource: Census |
We could not locate which school district 02303 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 January 1, 2026.