Telephone numbers with two number prefixes, such as 51 (we used to have 47 as kids, when living down the Port way).
When the local kids shows, like C'mon Kids, Super Cartoon Show, Earlybirds etc used to have prize vans going around, and they would advertise where they were going to be, and hoping it would be within walking distance (happened once to me, they were in a park around 50m from my house).
Three daily editions of "The News" - the Sport edition (available around 11am), the City-State (about 12.30pm) and the Last (around 3.30 - 4.00pm).
Being a roadside seller of "The News"

. Had a good spot on Tapleys Hil Road, outside the Hendon Hotel for a while, good fun being a Norwood fan in winter, wearing the duffle coat to keep warm, in Port country.
Can you guess where I'm calling from, the Las Vegas Hilton...