Zip code 21757

Zip code 21757, MD

The zip code 21757, type standard, belongs to the following denominations: Keymar, Detour, Middleburg . It is part of the county Frederick County, state of Maryland. It has an estimated population of 2630.

The postal code 21757 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Keymar) or acceptable (Detour, Middleburg).