The trip to Sixfields was set to take place on October 18, but will now be played on Friday October 17 kicking off at 7.45pm.
The visit to Southend United will now be played on Friday April 2, also kicking off at 7.45pm.
Scunthorpe Uniited's players returned to the club today for pre-season training, although new signing Cliff Byrne will not be back until Monday after being gfiven longer to rest following his time with the Ireland international squad.
After two weeks of light training the squad will fly out to Ireland on July 15, before returning for the open day on July 20 and the first firendly against a Manchester United XI on July 22.