.st.st .st .st is the Internet country code top-level domain (ccTLD) for São Tomé and Príncipe. The code is marketed worldwide as an abbreviation for various entities. Second-level domains. Registrations are taken directly at the second level, but some names have been reserved for use in specialized third-level registrations (though not all of these are actually in use at present): Other uses. The .st domain is being marketed as a general-use domain, with a number of meanings suggested including the abbreviation of "street", "state", short for "Star Trek" and more. The .st domain is also commonly used  to create domain names that spell words ending in st, such as "[bur.st]". The Smalltalk programming language uses the .st extension, and several websites about it use the .st domain. "The Washington Post" uses .st as part of their URL shortening domain codice_1, serving as a redirect to lead readers to various articles on their site, and other sites use similar URLs. PlayStation uses the shortlink codice_2. Styria. The state of Styria, in Austria, has ST as its unofficial but common abbreviation. Therefore, the .st extension is used by some small businesses located in Styria, despite Austria's own ccTLD  .at being present. South Tyrol. Also some registrations in South Tyrol, an autonomous, chiefly German-speaking Italian province, use the .st extension to abbreviate the German name of "Südtirol" in opposition to Italy's .it. Stockholm. There is limited usage of .st in Stockholm, Sweden, by smaller businesses and private people. Falck Emergency in Stockholm uses .st for all their employees in the ambulance service of the Swedish capital Stockholm. A new top level domain, .stockholm, has been registered and has become operational during 2018. Telstra. Australia's Telstra, uses tel.st as a shortcut to its main website. The shortcut  is occasionally used for marketing purposes. Australia Post. Australia Post uses mypo.st as a shortcut to its site when sending SMS alerts. Washington Post. The U.S. newspaper The Washington Post uses wapo.st (along with wapo.com) as a shortcut redirect to their main URL washingtonpost.com .st .st is the Internet country code top-level domain (ccTLD) for São Tomé and Príncipe. The code is marketed worldwide as an abbreviation for various entities. Second-level domains. Registrations are taken directly at the second level, but some names have been reserved for use in specialized third-level registrations (though not all of these