Eight Championship games on 26 December and 16 more across the EFL have been called off because of Covid-19 cases.
Hull City v Blackburn was postponed hours before it was due to kick off, while games at Cardiff, Millwall, Fulham, Stoke, Peterborough, Preston and Luton had already been postponed.
Seven games in League One and nine in League Two have also been called off.
The EFL has confirmed league, Carabao Cup and Papa John's Trophy games can continue "where safe to do so".
Only two of the scheduled 10 Championship matches on Boxing Day remain on, while five games in the National League have also been postponed.