ZIP Codes in Rapid City, SD
Rapid City uses 3 ZIP codes, all in Pennington County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Rapid City ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 57701 | standard | Pennington | 45,795 |
| 57702 | standard | Pennington | 35,595 |
| 57703 | standard | Pennington | 18,013 |
Finding a ZIP+4 in Rapid City
Knowing which of these 3 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 Rapid City street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Rapid City addresses and download it complete.