Depending on the network and app (PubliBike or PubliBike Velospot), you use a different customer service center
PubliBike Velospot Support-Center
For the regions of Aarau, Agglo valais central, Aigle, Andermatt, Basel, Biel/Bienne, Fribourg, La Chaux-de-Fonds - Le Locle, Locarnese-Bellinzonese, Martigny, Monteceneri, PSI-Villigen, Riviera, St. Petersinsel and Zurich.
PubliBike Support-Center
For the regions of Bern, Lausanne-Morges, Région de Nyon, and Sottoceneri.