Zip code 20570

Zip code 20570, DC

The zip code 20570, type unique, belongs to the following denominations: Washington y Natl Labor Relations 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 20570 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Washington).