Pompey have sold their full allocation of tickets for the league visit to Charlton.
Kenny Jackett's side make their second trip to The Valley this season on Saturday, December 9 (3pm kick-off).
And they will be backed by more than 3,800 supporters in both the Jimmy Seed Stand and East Stand.
Supporters who have bought concession tickets are advised to bring proof of age identification with them to the game.
Official coach travel can be booked online here or by calling Lucketts Travel on 01329 237000.