Hereford face Halifax Town in the Conference play-off final on Saturday and the demand for tickets has pressed Turner into service on the sales staff.
"It's just been so busy that everyone is picking up a phone," he told BBC Sport.
"The interest and buzz about the place this has generated is amazing.
"We thought we would have about 8,000 supporters going to the final but now it's looking more like 10-12,000."
On the first day of ticket sales for the final at Leicester City's Walkers Stadium, Hereford sold 4,500 to fans hoping for an end to their team's nine-year exile from the League.
"The supporters have had their disappointments and we had the problems of relegation, although those problems were already there," said Turner. "But we have had a really good hardcore of supporters who have stuck with us.