zip4lookup

ZIP Code 66044 — Lawrence, KS

66044 is a standard (street delivery) ZIP code serving Lawrence, Kansas, in Douglas 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 66044 at a glance

ZIP code66044
Primary cityLawrence
StateKansas (KS)
CountyDouglas FIPS 20045
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population28,820
Coordinates39.031870, -95.209910

How ZIP+4 works in 66044

The four digits after the hyphen encode a delivery segment inside 66044. In practice one segment usually means:

That is why 66044 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 Lawrence

Nearby ZIP codes

Showing the closest twelve. See every ZIP code within 25 miles of 66044.

ZIPCityDistance
66045 Lawrence, KS 6 mi
66049 Lawrence, KS 8.3 mi
66046 Lawrence, KS 8.5 mi
66052 Linwood, KS 8.9 mi
66086 Tonganoxie, KS 9 mi
66073 Perry, KS 10.1 mi
66025 Eudora, KS 11.6 mi
66054 Mclouth, KS 12 mi
66050 Lecompton, KS 12.2 mi
66047 Lawrence, KS 12.7 mi
66066 Oskaloosa, KS 13.5 mi
66018 De Soto, KS 13.5 mi

Questions about 66044

What is the ZIP+4 code for 66044?

66044 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 66044, you need to look up a specific street address to get them.

What city is 66044?

66044 is assigned to Lawrence, Kansas, in Douglas 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