Colwyn zip code
Zip code in Colwyn, PA
The location Colwyn belongs to Delaware County, state of Pennsylvania. Colwyn has been assigned with the zip code 19023.
The location name Colwyn is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Darby, the official name of the location. You can also use any of the following names: Collingdale.
| Zip code | Type | Population |
|---|---|---|
| 19023 | STANDARD | 18,660 |
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