Less than 500 now remain for the game at the Stadium of Light on Saturday, as the Potters look to register a first league victory away to the Black Cats since April 1994.
Remaining tickets can be purchased from the Ticket Office until 4.30pm on Friday and are priced at £29 for adults, £19 for over 65s and £10 for under 16s. Disabled prices are the same but include free entry for carers.
Supporters who wish to sit down during the match are advised to request tickets at the front of the stand.
Free coach travel is also still available for the game, departing the bet365 Stadium at 9.00am prompt.
Travel cannot be booked online and any supporters who wish to use it will need to contact the Ticket Office directly.
*Meanwhile, the Potters have sold 1,100 tickets for the away game at West Bromwich Albion on Saturday 4th February. Tickets go on sale to all season card holders tomorrow.
To purchase tickets, or for more information, visit scfcdirect.com or call the Ticket Office on (01782) 367599.