Pin code 303110
What 303110 tells you
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 303, are the sorting district, and 110 identifies the delivery office.
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 303, are the sorting district, and 110 identifies the delivery office.