delivery service; shipping service
Refers to a delivery or shipping service, often used in contexts like mail order, logistics, or courier services.
This item will be delivered by delivery service.
Please tell me the tracking number for the delivery service.
配送 is the general noun for 'delivery' or 'shipping', while 配送便 emphasizes the service or the specific delivery method/route.
Compound of 配送 (delivery, shipping) and 便 (service, mail, flight). The exact historical derivation is uncertain, but the combination is transparently formed from these two elements.