Zip code 20621

Zip code 20621, MD

The zip code 20621, type standard, belongs to the following denominations: Chaptico y Maddox . It is part of the county St. Mary's County, state of Maryland. It has an estimated population of 1290.

The postal code 20621 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Chaptico) or acceptable (Maddox).