East Germany
Zip code areas: 01-08, 10-19, 39, 95, 96, 98, 99

West Germany
Zip code areas: 40-48, 50-59, 60-69, 34, 35, 36,

North Germany

Zip code areas: 20-29, 30, 31, 32, 33, 37, 38, 49

South Germany

Zip code areas: 70-79, 80-89, 90, 91, 92, 93, 94, 97

Switzerland

Austria