Brockton, MA ZIP Codes
Brockton, Massachusetts has 5 ZIP codes: 2 for street addresses ( and ) and 3 for PO boxes (, and ).
Your street decides which one you use.
Which Brockton ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Brockton ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
02303, 02304 and 02305 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Brockton city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Brockton ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 02301 | street delivery Brockton Sorting and Delivery Center |
| 02302 | street delivery Brockton Sorting and Delivery Center |
| 02303 | PO boxes at the Brockton Sorting and Delivery Center post office Brockton Sorting and Delivery Center |
| 02304 | PO boxes at the Campello post office Campello |
| 02305 | PO boxes at the Montello post office Montello |
Brockton ZIP code questions
What is the main ZIP code for Brockton?
02301, the ZIP code of the main Brockton Sorting and Delivery Center post office at 120 Commercial St.
Which Brockton ZIP codes are for PO boxes only?
02303, 02304 and 02305. Mail to them goes to boxes at the post office, not to street addresses.
What county is Brockton in?
Plymouth County.
ZIP codes for towns near Brockton
More towns near Brockton: Boston, Attleboro, Needham, Brookline, North Attleborough Town, Newton, Franklin Town, Wellesley, Cambridge.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections