zip4lookup

ZIP Code 01220 — Adams, MA

01220 is a standard (street delivery) ZIP code serving Adams, 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 01220 at a glance

ZIP code01220
Primary cityAdams
StateMassachusetts (MA)
CountyBerkshire FIPS 25003
ZIP typeStandard (street delivery)
Time zoneAmerica/New_York
Population8,074
Coordinates42.626860, -73.118730

How ZIP+4 works in 01220

The four digits after the hyphen encode a delivery segment inside 01220. In practice one segment usually means:

That is why 01220 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 01220.

ZIPCityDistance
01225 Cheshire, MA 4.6 mi
01247 North Adams, MA 5.1 mi
01256 Savoy, MA 5.5 mi
01267 Williamstown, MA 6.8 mi
01343 Drury, MA 7.2 mi
01237 Lanesborough, MA 8.5 mi
01270 Windsor, MA 8.6 mi
01224 Berkshire, MA 9.3 mi
01350 Monroe Bridge, MA 9.5 mi
01226 Dalton, MA 10.3 mi
12022 Berlin, NY 11.3 mi
05261 Pownal, VT 11.3 mi

Questions about 01220

What is the ZIP+4 code for 01220?

01220 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 01220, you need to look up a specific street address to get them.

What city is 01220?

01220 is assigned to Adams, 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