Pin code 305402
What 305402 tells you
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 305, are the sorting district, and 402 identifies the delivery office.
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 305, are the sorting district, and 402 identifies the delivery office.