Many a 900 number (8)
I believe the answer is:
chatline
(Other definitions for chatline that I've seen before include "Phone service for several to talk informally" , "Facilitator of talks with receivers" , "facility where several call for it" .)
I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.