Prosečne GPS koordinate za poštanski broj 20697: 38.834, -76.878
Spisak gradova:
>> Southern Md Facility 20697, Maryland, Prince George's, GPS koordinate: 38.8336,-76.8777
Spisak gradova:
>> Southern Md Facility 20697, Maryland, Prince George's, GPS koordinate: 38.8336,-76.8777