This from Hereford FC:
A limited number of terrace tickets (Meadow End and Len Weston Terrace) will be available to purchase on Friday between 10am-4pm, in person at the club, or between 10am-12:30pm over the phone.
There will be no additional seated tickets available.
If any tickets remain following 4pm on Friday, they will go back on sale from 6pm Friday evening from the Addison’s Bar, the bar will also be open.
No tickets will be on sale until 10am Friday morning. There will be no home tickets available on the day of the game.
Matchday information can be found here: http://www.herefordfc.co.uk/2015/07/09/matchday-please-arrive-in-plenty-of-time/