Pin code 311030
What 311030 tells you
The first digit, 3, is the postal zone. The first two digits, 31, are the postal circle. The first three, 311, are the sorting district, and 030 identifies the delivery office.
The first digit, 3, is the postal zone. The first two digits, 31, are the postal circle. The first three, 311, are the sorting district, and 030 identifies the delivery office.