Londonderry zip code
Zip code in Londonderry, PA
The location Londonderry belongs to Dauphin County, state of Pennsylvania. Londonderry has been assigned with the zip code 17057.
The location name Londonderry is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Middletown, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 17057 | STANDARD | 19,240 |
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