Pincode list gets updated regularly as and when updated by courier company in their system.
So user is requested to keep a note of this. Last Updated Date: 10.08.2018.
Zone 1 = Intra-City: Pick-up & delivery within city which are considered as Metro.
= Intra-Region: Pick-up & delivery within your own region (north / east / west / south / north-east).
= Other Metros: Pickup from your city to any metro (other than yours, in case).
= Inter-Region: Pick-up from one region & delivery in another region (north / east / west / south / north-east).
= North-East: Pick-up from any 4 other regions (north / east / west / south) & delivery in north-east.