Back in the late '60's and early '70's, in Carbondale, IL (GTE), we
> had what was called "suburban" service as we were fifty (50) feet
> outside the city limits. This was a ten (10) party line where each
> line rang uniquely (no coded ringing.) When you dialed a toll call
> (1+), an operator came on the line and asked for the number you were
> calling from for billing purposes!
> I think it was a SxS office.
ONI (Operator Number Identification) was the norm for anything above a two-party line at least for the Bell System or at least it was ...