ANSWER FROM ONE OF Jehovah's Witnesses..
The best thing that I think you can do is either as the Elders of your current Congregation as they will be able to get the address for you or look it up in the local regions phone book under Religions/Church.
The official Watchtower website does not give out phone numbers for contact. Only a PO Box.
The French one is BP 625, F-27406 Louviers Cedex.
The Branch office of Jehovah's Witnesses in the country concerned would have access to this information (see link below).
This information is available from the Branch office of the country in question. See link below.
This information is available from the Branch office of the country in question. See link below.
This information is available from the Branch office of the country in question. See link below.
Registry office.
This information is available from the Branch office of the country in question. See link below.
get in contact with local witnesses in your area, or with the branch. they will be able to provide that information you require.
This information is available from the Branch office of the country in question. See link below.
The first Branch office of Jehovah's Witnesses was opened in Melbourne in 1904.
There is no branch office in Melbourne. It is near Sydney - phone 02 96051099.
Most local phone directories list the phone numbers of Kingdom Halls. If you cannot find it there, you could contact the Sweden branch office of Jehovah's Witnesses at this address: PO Box 5, SE-732 21 Arboga.
At this point, likely it would be best to contact the branch office in France at this address: BP 625, F-27406 Louviers cedex.