ZIP Codes in Topeka, KS
Topeka uses 18 ZIP codes, all in Shawnee County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 18 Topeka ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 66603 | standard | Shawnee | 1,830 |
| 66604 | standard | Shawnee | 23,006 |
| 66605 | standard | Shawnee | 20,891 |
| 66606 | standard | Shawnee | 9,842 |
| 66607 | standard | Shawnee | 9,965 |
| 66608 | standard | Shawnee | 4,216 |
| 66609 | standard | Shawnee | 7,572 |
| 66610 | standard | Shawnee | 9,849 |
| 66611 | standard | Shawnee | 9,828 |
| 66612 | standard | Shawnee | 1,754 |
| 66614 | standard | Shawnee | 32,538 |
| 66615 | standard | Shawnee | 2,943 |
| 66616 | standard | Shawnee | 6,212 |
| 66617 | standard | Shawnee | 8,903 |
| 66618 | standard | Shawnee | 10,179 |
| 66619 | standard | Shawnee | 3,217 |
| 66621 | standard | Shawnee | 442 |
| 66622 | standard | Shawnee | 56 |
Finding a ZIP+4 in Topeka
Knowing which of these 18 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Topeka street almost always have different ZIP+4 codes even though they share all five leading digits.
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