Superman’s Dilemma

It used to be

that in a time of need

for the minimal price

of the dime you cede

I would stand ready

with a book you read

to find a number

which can be keyed

which connects you up

with relative speed

to someone with whom

you could beg or plead.

And if you are lucky

they may take heed

and from your troubles

you will be freed.

What am I?

Check Braingle.com for the answer.