It is located along the Lahti–Kouvola railway, and its neighboring stations are Kausala in the west and Kouvola in the east.

Koria is served by all and O trains on the route Lahti–Kouvola–Kotka Port.

The intermediate stations between Lahti and Kouvola are also served by all but one Z rush hour service on the route Helsinki–Lahti–Kouvola.

Eastbound trains towards Kouvola and Kotka use track 1 and westbound trains towards Lahti and Helsinki stop at track 2.

[4] This article about a Finnish railway station is a stub.