This module is one of the best features of the system for couriers with multiple clients/ brands and each client are shipping for different zones at different prices .
Zones management are working as you company price list for each covered are you shipping for and each zone can have many sub zones for each one of them and all sub zones can have price for it.
Also zones management can have a special price list for each client/brand all prices for this zone will be applied for all the upcoming orders handled by the system