Pin code 571606
What 571606 tells you
The first digit, 5, is the postal zone. The first two digits, 57, are the postal circle. The first three, 571, are the sorting district, and 606 identifies the delivery office.
The first digit, 5, is the postal zone. The first two digits, 57, are the postal circle. The first three, 571, are the sorting district, and 606 identifies the delivery office.