Not Comfort Inn here, there are business offices here.
Comfort Inn is already described elsewhere on the same street.
The right street number is 680

via StreetComplete 58.2

Attached photo(s):
https://westnordost.de/p/232314.jpg
https://westnordost.de/p/232315.jpg
https://westnordost.de/p/232316.jpg
https://westnordost.de/p/232317.jpg
https://westnordost.de/p/232318.jpg
https://westnordost.de/p/232319.jpg
https://westnordost.de/p/232320.jpg