Pin code 307510
What 307510 tells you
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 307, are the sorting district, and 510 identifies the delivery office.
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 307, are the sorting district, and 510 identifies the delivery office.