Letterkenny Township Pennsylvania is covered by a total of 6 ZIP Codes. The ZIP Codes in Letterkenny Township range from 17201 to 17265. Data Updated October 2, 2024
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Chambersburg | Standard | |||
| Chambersburg | Standard | |||
| Fort Loudon | Standard | |||
| Orrstown | Standard | |||
| Pleasant Hall | Standard | |||
| Upperstrasburg | Standard |