1&1 AG is a German telecommunications service provider headquartered in Maintal and listed on the TecDAX. Since 2017, the majority of the company has belonged to United Internet, and offers both mobile and landline services.
Wikipedia https://en.wikipedia.org/wiki/1&1_Drillisch
Official Website https://www.drillisch.de/
Phone +49 6181 412143
Coordinates 50°7'50.362" N 8°51'45.413" E