List of ZIP Codes in South Middleton Township, Pennsylvania | |||||||
|---|---|---|---|---|---|---|---|
| ZIP Code | ZIP Code City Name | Population | ZIP Code Type | ||||
| Boiling Springs | 5591 | Non-Unique | ||||
| Carlisle | 34575 | Non-Unique | ||||
| Carlisle | 20798 | Non-Unique | ||||
| Dillsburg | 17721 | Non-Unique | ||||
| Mount Holly Springs | 4222 | Non-Unique | ||||
| Gardners | 4219 | Non-Unique | ||||
| York Springs | 4101 | Non-Unique | ||||