The station is served by South Western Railway.
Services originate from London Waterloo or Weymouth Station on the South Western Main Line and are most commonly operated by Class 444 but are sometimes served by Class 450 electric multiple units during times of engineering work (i.e. when they are not required for use on lines near Portsmouth) or at peak times.
 The basic frequency is 2 trains per hour each way (though not at even intervals) on weekdays and hourly on Sundays.
The station is served by South Western Railway. Services originate from London Waterloo or Weymouth Station on the South Western Main Line and are most commonly operated by Class 444 but are sometimes served by Class 450 electric multiple units during times of engineering work (i.e. when they are not required for use on lines near Portsmouth) or at peak times.  The basic frequency is 2 trains per hour each way (though not at even intervals) on weekdays and hourly on Sundays.
Dorchester South railway station