Where to find someone to speak to (7)
I believe the answer is:
address
This clue might be a double definition.
'where to find someone' is the first definition.
The answer is a location as well as being a singular noun. This is suggested by the definition.
'speak to' is the second definition.
(synonyms)
'to' acts as a link.
Can you help me to learn more?
(Other definitions for address that I've seen before include "Discourse" , "Speak to - direct" , "Place of abode" , "One's postal residence." , "Speak formally to an audience" .)