[comp.dcom.telecom] Age of area codes/NAP

wb8foz@cucstud (David Lesher) (01/28/89)

I remember seeing (on a 'personal' directory given
away by Ohio Bell) that area codes would take effect
on 1 January 1955. Can anybody else remember this date?
Cleveland had 6 digit (or really two letter CO+4 digit)
number asssignments just prior to then.