Reid netted an 83rd minute equaliser, sterering home from a Knights pass, for Newport in their Conference match against Bath City at home.
However, the visitors scored a stoppage time goal to take all three points back over the Severn Bridge.
Other former City players on the score-sheet today were Robbie Simpson who scored for Brentford against Dagenham.
Jonnie Jackson scored twice in a 3-3 draw for Charlton at Colchester. Matt Heath scored for The U's.
Peter Clarke scored for Huddersfield in a 2-2 draw at Carlisle.
Kevin Kyle scored the winner in the Edinburgh derby as Hearts beat Hibs 1-0.
Adam Walker scored for Nuneaton Town in a 3-2 win at Corby Town.