ZIP Code 02770 — Rochester, MA
02770 is a standard (street delivery) ZIP code serving Rochester, Massachusetts, in Plymouth County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 02770 at a glance
| ZIP code | 02770 |
|---|---|
| Primary city | Rochester |
| State | Massachusetts (MA) |
| County | Plymouth FIPS 25023 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 5,809 |
| Coordinates | 41.758750, -70.840480 |
How ZIP+4 works in 02770
The four digits after the hyphen encode a delivery segment inside 02770. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 02770 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 02770.
| ZIP | City | Distance |
|---|---|---|
| 02576 | West Wareham, MA | 4.2 mi |
| 02743 | Acushnet, MA | 4.4 mi |
| 02738 | Marion, MA | 5.2 mi |
| 02739 | Mattapoisett, MA | 6.3 mi |
| 02745 | New Bedford, MA | 6.7 mi |
| 02571 | Wareham, MA | 7.2 mi |
| 02717 | East Freetown, MA | 7.3 mi |
| 02347 | Lakeville, MA | 7.9 mi |
| 02719 | Fairhaven, MA | 8.4 mi |
| 02746 | New Bedford, MA | 8.4 mi |
| 02346 | Middleboro, MA | 8.6 mi |
| 02330 | Carver, MA | 9 mi |
Questions about 02770
What is the ZIP+4 code for 02770?
02770 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 02770, you need to look up a specific street address to get them.
What city is 02770?
02770 is assigned to Rochester, Massachusetts, in Plymouth County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.