zip4lookup

ZIP Code 01259 — Southfield, MA

01259 is a standard (street delivery) ZIP code serving Southfield, Massachusetts, in Berkshire 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.

Free. No account needed.

ZIP code 01259 at a glance

ZIP code01259
Primary citySouthfield
StateMassachusetts (MA)
CountyBerkshire FIPS 25003
ZIP typeStandard (street delivery)
Time zoneAmerica/New_York
Population688
Coordinates42.073160, -73.232820

How ZIP+4 works in 01259

The four digits after the hyphen encode a delivery segment inside 01259. In practice one segment usually means:

That is why 01259 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 01259.

ZIPCityDistance
01244 Mill River, MA 3.3 mi
06018 Canaan, CT 4.5 mi
01222 Ashley Falls, MA 4.6 mi
06024 East Canaan, CT 5.2 mi
01255 Sandisfield, MA 6.1 mi
06058 Norfolk, CT 7.2 mi
01257 Sheffield, MA 7.3 mi
01245 Monterey, MA 8.1 mi
06079 Taconic, CT 8.7 mi
06031 Falls Village, CT 9.1 mi
06021 Colebrook, CT 9.2 mi
01230 Great Barrington, MA 9.4 mi

Questions about 01259

What is the ZIP+4 code for 01259?

01259 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 01259, you need to look up a specific street address to get them.

What city is 01259?

01259 is assigned to Southfield, Massachusetts, in Berkshire 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.

Bulk lookup API docs