The station, and all trains serving it, is operated by Southern, and is in Travelcard Zone 5.

All services at Wallington are operated by Southern using Class 377 EMUs.

The typical off-peak service in trains per hour is:[4] During the peak hours, the station is served by an additional half-hourly service between London Victoria and Sutton.

Northbound journeys serve bus stops in the Station Approach road.

Most southbound journeys stop on Manor Road opposite the entrance to Station Approach.