Kansas ZIP codes
Kansas holds 748 ZIP codes between 66002 and 67954. The tables rank the places and counties with the most codes; the guide below decodes the numbering.
Places with the most ZIP codes in Kansas
| Place | ZIP codes |
|---|---|
| Wichita | 32 |
| Topeka | 31 |
| Kansas City | 15 |
| Overland Park | 13 |
| Shawnee | 6 |
| Lenexa | 6 |
| Lawrence | 5 |
| Olathe | 4 |
| Mission | 4 |
| Manhattan | 4 |
| Leawood | 3 |
| Hutchinson | 3 |
| Salina | 2 |
| Liberal | 2 |
| Elsmore | 1 |
| Gas | 1 |
| Humboldt | 1 |
| Iola | 1 |
| La Harpe | 1 |
| Moran | 1 |
Kansas counties by ZIP count
| County | ZIP codes |
|---|---|
| Sedgwick | 49 |
| Johnson | 44 |
| Shawnee | 38 |
| Wyandotte | 17 |
| Butler | 15 |
| Reno | 15 |
| Crawford | 13 |
| Marion | 12 |
| Sumner | 12 |
| Marshall | 11 |
Reading a Kansas ZIP code
Kansas holds 748 ZIP codes between 66002 and 67954, spread over 105 counties. Wichita leads the state with 32 codes, ahead of Topeka with 31. Every code here opens with the digit 6: that opening number is the national postal region Kansas belongs to, the next two digits name the sectional center that sorts the mail, and the final two point to the local office. A ZIP+4 suffix narrows delivery to a block face. Boundaries follow carrier routes rather than city limits, which is why Wichita spreads across 32 codes while some rural codes cross county lines.
Source: GeoNames postal dataset (CC BY 4.0), snapshot of 2026-07-09. Counts cover standard delivery ZIPs listed for Kansas; unique and PO box codes may add to these totals.
Last updated: · Methodology and sources