Wednesday will be the last day for posting out tickets for fans travelling to Stevenage on Saturday.
The U's are expected to take good numbers on the back of a strong start to the season and around 250 have been sold already for the weekend fixture.
Ticket prices for the game are as follows:-
Concessions (Over 60, Students, UB40 holders, ambulant disabled, Armed Forces): £20
Prices remain the same on the day of the game.
Fans have until 3pm to ring up on Wednesday to receive their tickets in the post, but they will also be on sale from the U's Ticket Office until Friday afternoon at 2pm.