Thandalam BO
The first digit of the PIN reflects the region. In India, there are 9 PIN regions, out of which first 8 stands for geographical location and 9 is especially used for the army postal service. 6 in 602105 represent Southern region. The combination of first two digits of the PIN represent a particular circle. 60 in 602105 represent Tamil Nadu cirlce.
Thandalam BO
The first digit of the PIN reflects the region. In India, there are 9 PIN regions, out of which first 8 stands for geographical location and 9 is especially used for the army postal service. 6 in 600128 represent Southern region. The combination of first two digits of the PIN represent a particular circle. 60 in 600128 represent Tamil Nadu cirlce.