Zip code 21209

Zip code 21209, MD

The zip code 21209, type standard, belongs to the following denominations: Baltimore, Mount Washington, Mt Washington . It is part of the county Baltimore County, state of Maryland. It has an estimated population of 25470.

The postal code 21209 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Baltimore) or acceptable (Mount Washington, Mt Washington).