So how many times can my gf use the phone at Leath County correctional facility???

Basically there is no limit to the phone use at Leath Correctional (a South Carolina state prison), except for the cost of the calls. If there is money on the books they can stay on the phone all day. Many do especially in the first few days of incarceration. If you are not local to Greenwood SC, the calls start costing a lot. If you get a local line from InmateAid, the calls will be about $3-4 cheaper per call.