https://apps.shopify.com/octolize-postcode-shipping?locale=cs&surface_detail=orders-and-shipping-shipping-solutions-shipping-rates&surface_inter_position=1&surface_intra_position=15&surface_type=category&surface_version=redesign
Shipping rates rules & custom shipping zones by postcodes | Shopify App Store
shopify app storeshipping ratescustom zonesrulespostcodes