Services Lost & Found Office Lost something at the center? Please feel free to contact us. The Lost&Found office is open from 10.00 am till 05.00 pm. We will take down your contact information and details about when, where and what you lost at the centre. Tel.: +49 (0)30 – 26 93 400 Email: customercarealexa@sonaesierra.com Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)
