Knoxville zip code

Zip code in Knoxville, MD

The location Knoxville belongs to Frederick County, state of Maryland. Knoxville has 2 zip codes which you can see in the following table.

The location name Knoxville is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Brunswick, the official name of the location.

Zip code Type Population
21716 STANDARD 6,150
21758 STANDARD 4,490