Questions and remarks

E-mail us:
kcc@ret.nl

By mail:
RET customer service
PO box 112
3000 AC  Rotterdam
The Netherlands

Visit our Service shop
RET Service shop at Coolsingel 141, 3012 AG Rotterdam. 

Information about OV-chipcard
National customer service OV-chipcard: (0900) 09 80 (€ 0,10 p/min) or visit www.ov-chipkaart.nl.