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21738 ZIP Code Detail Information
21738 ZIP code is designated for Glenwood in Howard of Maryland. More information on this ZIP code is available below. If you came here after performing a reverse phone lookup, these details are provided to give you a general idea of the phone number's location.
21738 ZIP Code - Map, City, County, State, and Location
| City: | Glenwood |
| County: | Howard |
| State: | Maryland (MD) |
| Latitude: | 39.2795 |
| Longitude: | -77.0148 |
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