ZIP CodesZIP codes in Douglas County, Kansas
Douglas County, Kansas has 8 ZIP codes in this list, from 66006 to 66050. They cover 4 places, among them Lawrence, Baldwin City, Eudora and Lecompton.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 66006 | Baldwin City | 109 | 38.795, -95.228 |
| 66025 | Eudora | 74.5 | 38.933, -95.102 |
| 66044 | Lawrence | 64.2 | 39.029, -95.209 |
| 66045 | Lawrence | 1.1 | 38.959, -95.250 |
| 66046 | Lawrence | 40.8 | 38.937, -95.242 |
| 66047 | Lawrence | 58.2 | 38.941, -95.278 |
| 66049 | Lawrence | 45.2 | 38.970, -95.277 |
| 66050 | Lecompton | 40.4 | 39.015, -95.439 |
The ZIP code areas of Douglas County add up to about 433 square miles of land (1,122 sq km) as the Census Bureau draws them. The largest is 66006 (Baldwin City), with 109 square miles.
Places with more than one code here: Lawrence (5 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Baldwin City, KS 66006.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.