Zip code 20428

Zip code 20428, DC

The zip code 20428, type unique, belongs to the following denominations: Washington y Civil Aeronautics Board . It is part of the county District of Columbia, state of District of Columbia. It has an estimated population of 0.

The postal code 20428 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Washington).