Zip code 20423

Zip code 20423, DC

The zip code 20423, type unique, belongs to the following denominations: Washington y Surface Transportation 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 20423 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Washington).