| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 17002 | Allensville | Mifflin County | Standard |
| 17004 | Belleville | Mifflin County | Standard |
| 17009 | Burnham | Mifflin County | Standard |
| 17029 | Granville | Mifflin County | Standard |
| 17044 | Lewistown | Mifflin County | Standard |
| 17051 | McVeytown | Mifflin County | Standard |
| 17054 | Mattawana | Mifflin County | PO Box |
| 17060 | Mill Creek | Huntingdon County | Standard |
| 17063 | Milroy | Mifflin County | Standard |
| 17066 | Mount Union | Huntingdon County | Standard |
| 17075 | Newton Hamilton | Mifflin County | PO Box |
| 17084 | Reedsville | Mifflin County | Standard |
| 17099 | Yeagertown | Mifflin County | Standard |
| 17841 | McClure | Mifflin County | Standard |