Middletown, MD Zip Code
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ZIP code: 21769
Area code(s): 301
Elevation: 564m (1850ft)
Postcode area of Middletown is 21769.
Area code(s) of Middletown is 301.
Middletown has 564m (1850ft) altitude.
The coordinates of Middletown are: 39.44111 lat, -77.54389 lng.
Middletown belongs to Frederick County.