| Date - Field | Iran - Telephones - main lines in use |
2012 January Telephones - main lines in use | 26.849 million (2010) |
2011 January Telephones - main lines in use | 25.804 million (2009) |
2010 January Telephones - main lines in use | 24.8 million (2008) |
2009 January Telephones - main lines in use | 23.835 million (2007) |
2008 January Telephones - main lines in use | 21.981 million (2006) |
2007 January Telephones - main lines in use | 18.986 million (2005) |
2006 January Telephones - main lines in use | 14,571,100 (2003) |
2005 January Telephones - main lines in use | 14,571,100 (2003) |
2004 January Telephones - main lines in use | 12,200,200 (2002) |
2003 January Telephones - main lines in use | 6.313 million (1997) |
2002 January Telephones - main lines in use | 6.313 million (1997) |
2001 January Telephones - main lines in use | 6.313 million (1997) |
2000 January Telephones - main lines in use | 7 million (1998 est.) |