Middletown zip code
Zip code in Middletown, DE
The location Middletown belongs to New Castle County, state of Delaware. Middletown has been assigned with the zip code 19709.
Middletown is the official name of the location so if you want to use the US Postal Service you must use that name.
| Zip code | Type | Population |
|---|---|---|
| 19709 | STANDARD | 45,850 |
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