The Everton ticket office will remain open until 8pm on Friday evening.
The extension of regular opening hours is to allow supporters the extra opportunity to purchase tickets for Saturday's home FA Cup quarter final against Wigan.
Fans who have not yet secured their tickets for the game are urged to consider buying this evening, particularly as the game kicks off at 12.45pm tomorrow.
It also means Season Ticket holders have additional time to secure tickets at their discounted rate. Full ticket prices are available here.
The Park End box office will remain open until 8pm, while telephone sales via 0871 663 1878* will also be available until this time.
Online ticket sales remain open with the print at home function available to most fans - click here to buy now or here for more information.
Supporters can also buy tickets in Liverpool City centre at Everton Two until 7pm and at the TicketQuarter until 6pm.