The Spencer, IA MSA has 16 ZIP codes, listed below in numerical order. Sort this list by county or by population.
| ZIP Code | Place Name | County | Type |
|---|---|---|---|
| ZIP 50515 | Ayrshire | Palo Alto County | Standard |
| ZIP 50585 | Sioux Rapids | Clay County | Standard |
| ZIP 51033 | Linn Grove | Buena Vista County | Standard |
| ZIP 51047 | Peterson | Clay County | Standard |
| ZIP 51058 | Sutherland | Obrien County | Standard |
| ZIP 51301 | Spencer | Clay County | Standard |
| ZIP 51333 | Dickens | Clay County | Standard |
| ZIP 51338 | Everly | Clay County | Standard |
| ZIP 51340 | Fostoria | Clay County | PO Box |
| ZIP 51341 | Gillett Grove | Clay County | PO Box |
| ZIP 51343 | Greenville | Clay County | Standard |
| ZIP 51346 | Hartley | Obrien County | Standard |
| ZIP 51357 | Royal | Clay County | Standard |
| ZIP 51358 | Ruthven | Palo Alto County | Standard |
| ZIP 51364 | Terril | Dickinson County | Standard |
| ZIP 51366 | Webb | Clay County | Standard |