| Date - Field | Portugal - Telephones - main lines in use |
2008 January Telephones - main lines in use | 4.231 million (2006) |
2007 January Telephones - main lines in use | 4.234 million (2005) |
2006 January Telephones - main lines in use | 4,278,800 (2003) |
2005 January Telephones - main lines in use | 4,278,800 (2003) |
2004 January Telephones - main lines in use | 4,354,600 (2002) |
2003 January Telephones - main lines in use | 5.3 million (yearend 1998) |
2002 January Telephones - main lines in use | 5.3 million (yearend 1998) |
2001 January Telephones - main lines in use | 5.3 million (end 1998) |
2000 January Telephones - main lines in use | 3.724 million (1996) |