This is the Gwynn Oak ZIP Code page. Gwynn Oak is a city name in Gwynn Oak, Maryland, United States. The city name is designated by USPS, it could be a city, town,village school name, etc.
| post code | city | state | latitude | longitude |
|---|---|---|---|---|
| 21207 | Gwynn Oak | MD | 39.33261 | -76.69275 |