Pin code 304026
What 304026 tells you
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 304, are the sorting district, and 026 identifies the delivery office.
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 304, are the sorting district, and 026 identifies the delivery office.