Pin code 304802
What 304802 tells you
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 304, are the sorting district, and 802 identifies the delivery office.
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 304, are the sorting district, and 802 identifies the delivery office.