Pin code 301414
What 301414 tells you
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 301, are the sorting district, and 414 identifies the delivery office.
The first digit, 3, is the postal zone. The first two digits, 30, are the postal circle. The first three, 301, are the sorting district, and 414 identifies the delivery office.