- Number of Post Offices and Letter Boxes in Dibrugarh District of Assam (2022-2023)
- Number of Letter Boxes in Dibrugarh District of Assam (2020-2021)
- Number of Letter Boxes at Rural and Urban Areas in Dibrugarh District of Assam (2018-2019)
- Number of Letter Boxes at Rural and Urban Areas in Dibrugarh District of Assam (2017-2018)
- Number of Letter Boxes at Rural and Urban Areas in Dibrugarh District of Assam (2014-2015)
- Number of Letter Boxes at Rural and Urban Areas in Dibrugarh District of Assam (2013-2014)
- Number of Letter Boxes at Rural and Urban Areas in Dibrugarh District of Assam (2012-2013)
- Number of Letter Boxes in Dibrugarh District of Assam (2011)
- Number of Letter Boxes in Dibrugarh District of Assam (2010)
- Number of Letter Boxes in Dibrugarh District of Assam (2007-2008)