Hrvatski Telekom Muzej in Zagreb, i.e. the Museum of Telecommunications has gathered a rich collection containing postal and philatelic exhibits (a collection of valuable postage stamps) and antique telecommunications equipment (telegraph, teletype, telephone exchanges, headphones, measuring instruments). It is the only museum of this type in the country.
The collection was created in 1953, the public was made available in 1997, it is constantly replenished. The philatelic collection already has over 35,000 stamps. The exhibition can be viewed in former post offices. The museum also organizes exhibitions of famous Croatian artists.
Hrvatski Telekom Muzej is in possession of an extensive collection of books, it also deals with publishing activities, detailed exhibition catalogs are prepared for each new exhibition.