In the UK in the 90's, 0898 was a premium rate dialing code associated with sex hot lines.

The Beautiful South named their 1992 album "0898 Beautiful south", referring to this phrase.
"I've got double the laundry. It's all bed sheets. I forgot how much teenage boys masturbate."
"It's like an 0898 number!" - UK Queer As Folk (S01E05)
by Inuki January 5, 2011