Pin code 311203
What 311203 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 203 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 203 identifies the delivery office.