here's one form the late 70's - early 80's by a band called City Boy

5705 - but there's no reply (I keep calling)
5705 - why do you keep me hanging on the line........

and for the aussies out there - to the tune of the william tell overture
481 double 1 double 1
481 double 1 double 1
481 double 1 double 1
pizza hut delivery

didn't work so well when they added a 9 to the beginning of the number

slainte

alison