The Magpies saw off Nottingham Forest in the second round by winning 4-3 on penalties at the City Ground, with Sean Longstaff slotting home the decisive spot-kick.
And their reward is a trip to the Cherry Red Records Stadium to face the League Two side, with that game now confirmed for Tuesday, 24th September, with kick-off set for 7:45pm BST.
The game will also be broadcast live on Sky Sports+.
Ticket details will be announced in due course.