London Colney will start their FA Vase campaign at home after the draw for the First Round Proper was made.
They will face Great Yarmouth Town in a match to be played on Saturday, October 31.
Yarmouth play their football in the Thurlow Nunn Eastern Counties League First Division, a step below Colney.
Harpenden missed the chance to join them in the draw after losing 3-2 to Northampton Spencer on Saturday.
Town were 2-0 up at half-time before having two men sent off.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here