ZIP Codes in Cedar Rapids, IA
Cedar Rapids uses 6 ZIP codes, all in Linn County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 6 Cedar Rapids ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 52401 | standard | Linn | 2,181 |
| 52402 | standard | Linn | 42,938 |
| 52403 | standard | Linn | 22,551 |
| 52404 | standard | Linn | 42,958 |
| 52405 | standard | Linn | 26,526 |
| 52411 | standard | Linn | 8,342 |
Finding a ZIP+4 in Cedar Rapids
Knowing which of these 6 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 Cedar Rapids street almost always have different ZIP+4 codes even though they share all five leading digits.
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