| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 57401 | Aberdeen | Brown County | Standard |
| 57402 | Aberdeen | Brown County | PO Box |
| 57422 | Andover | Day County | Standard |
| 57426 | Barnard | Brown County | PO Box |
| 57427 | Bath | Brown County | Standard |
| 57428 | Bowdle | Edmunds County | Standard |
| 57432 | Claremont | Brown County | Standard |
| 57433 | Columbia | Brown County | Standard |
| 57434 | Conde | Spink County | Standard |
| 57435 | Cresbard | Faulk County | Standard |
| 57439 | Ferney | Brown County | PO Box |
| 57441 | Frederick | Brown County | Standard |
| 57445 | Groton | Brown County | Standard |
| 57446 | Hecla | Brown County | Standard |
| 57448 | Hosmer | Mcpherson County | Standard |
| 57449 | Houghton | Brown County | Standard |
| 57451 | Ipswich | Edmunds County | Standard |
| 57460 | Mansfield | Brown County | Standard |
| 57466 | Onaka | Faulk County | Standard |
| 57471 | Roscoe | Edmunds County | Standard |
| 57474 | Stratford | Brown County | Standard |
| 57475 | Tolstoy | Potter County | Standard |
| 57479 | Warner | Brown County | Standard |
| 57481 | Westport | Brown County | Standard |