Pin code 670006
What 670006 tells you
The first digit, 6, is the postal zone. The first two digits, 67, are the postal circle. The first three, 670, are the sorting district, and 006 identifies the delivery office.
The first digit, 6, is the postal zone. The first two digits, 67, are the postal circle. The first three, 670, are the sorting district, and 006 identifies the delivery office.