zip4lookup

ZIP Code 01852 — Lowell, MA

01852 is a standard (street delivery) ZIP code serving Lowell, Massachusetts, in Middlesex 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 01852 at a glance

ZIP code01852
Primary cityLowell
StateMassachusetts (MA)
CountyMiddlesex FIPS 25017
ZIP typeStandard (street delivery)
Time zoneAmerica/New_York
Population37,144
Coordinates42.632310, -71.295380

How ZIP+4 works in 01852

The four digits after the hyphen encode a delivery segment inside 01852. In practice one segment usually means:

That is why 01852 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.

Other ZIP codes in Lowell

Nearby ZIP codes

Showing the closest twelve. See every ZIP code within 25 miles of 01852.

ZIPCityDistance
01850 Lowell, MA 1.7 mi
01851 Lowell, MA 2.1 mi
01854 Lowell, MA 2.9 mi
01826 Dracut, MA 3.5 mi
01876 Tewksbury, MA 3.7 mi
01862 North Billerica, MA 4 mi
01824 Chelmsford, MA 4.2 mi
01863 North Chelmsford, MA 4.9 mi
01821 Billerica, MA 6.1 mi
01810 Andover, MA 6.7 mi
03076 Pelham, NH 7.1 mi
01879 Tyngsboro, MA 7.2 mi

Questions about 01852

What is the ZIP+4 code for 01852?

01852 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 01852, you need to look up a specific street address to get them.

What city is 01852?

01852 is assigned to Lowell, Massachusetts, in Middlesex 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