- Number of Post Office at Rural and Urban Areas in Kollam District of Kerala (As on 31.03.2009)
- Area and Population Served by One Post Office in Kollam District of Kerala (2008-2009)
- Number of Post Office at Rural and Urban Areas in Kollam District of Kerala (As on 31.03.2008)
- Area and Population Served by One Post Office in Kollam District of Kerala (2007-2008)