The club’s ticket office at The Valley will open on Sunday, January 7th between 11am and 3pm for ticketing queries, collections and purchasing ahead of the club's Carabao Cup quarter-final against Manchester United at Old Trafford on Tuesday.
The Addicks are set to be backed by the club's largest away following in more than 20 years and, after selling out the initial allocation, only a few tickets remain.
Supporters can purchase in-person or on the phone at The Valley during Ticket Office opening hours on Sunday. Tickets can be purchased online here.
Fans will be also able to collect tickets for the game at The Valley on Sunday.
Supporters who have any ticketing queries can call the ticket office on 03330 14 44 44 between 11am and 3pm on Sunday.