Westlake zip code

Zip code in Westlake, MD

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

The location name Westlake is listed as acceptable by the US Postal Service so it can be used in your mailings just fine. You can also use any of the following names: Westlake.
Zip code Type Population
20817 STANDARD 35,050
20827 PO BOX 229