Dartford Post Box Latest Collection takes place from the Postbox located at the corner of Market Place and Dartford High Street. From Monday to Friday this Postbox is emptied at 18:30 and on Saturdays at 12:30. There are no Sunday or later collections in Dartford. The letters from all other Postboxes in Dartford are collected more or less at the same time with approx 30 minutes difference between them. The Last Collection Time Postbox Dartford Station for example takes place at 18:15.