| Telefoons - vaste telefoons | total subscriptions: 1,616,631 subscriptions per 100 inhabitants: 15 (2017 est.) |
| Telefoons - cellulaire mobiele telefoons | total subscriptions: 12,634,937 subscriptions per 100 inhabitants: 118 (2017 est.) |
| Top-level-domein | .cz |
| Internet-gebruikers | total: 8.141,303 percent of population: 76.5% (July 2016 est.) |
Referenties: CIA World Factbook - Tenzij anders vermeld, voor informatie op deze pagina correct is met ingang van 31 december 2019
