Curzon Ashton - whom go to Hereford next week - thrashed Farsley Celtic 4-0 to go four points clear of the relegation zone.
Blyth Spartans - who occupy the final relegation spot - saw their game at Telford called off. Hereford - who also did not play - remain 16th.
Meanwhile at the top, King's Lynn are now four points clear with two games in hand after beating second-placed York 1-0 in front of 4,019 fans.
Results
AFC Telford United P-P Blyth Spartans
Curzon Ashton 4-0 Farsley Celtic
Darlington 3-0 Alfreton Town
Gateshead 2-0 Altrincham
Guiseley 2-1 Gloucester City
Kettering Town P-P Hereford
Kidderminster Harriers 1-1 Spennymoor Town
King's Lynn Town 1-0 York City
Leamington 0-0 Chester
Southport 1-3 Boston United