Internet Country Codes Alphabetical Listing by Countries. Internet Country Codes Alphabetical Listing by Countries Alphabetical Listing of Countries by 2-Letter Codes. International Telephone Country Calling Codes. Language Codes ISO 639-2 Alpha-3 codes arranged alphabetically by English name of language AllRefer.com Countries of the World First 4 characters - bank code (only letters) Next 2 characters - ISO 3166-1 alpha-2 country code (only letters) Next 2 characters - location code, passive participant will have "1" in the second character (letters and digits) Last 3 characters - branch code, optional - 'XXX' for primary office (letters and digits) As of 2 May 2016, the official long name of the country is Czech Republic ( Czech: Česká republika, pronounced [ˈtʃɛskaː ˈrɛpuˌblɪka] ( listen) ). The capital and the biggest city is Prague ( Czech: Praha, pronounced [ˈpraha] ). The currency is the Czech Crown ( koruna česká - CZK). €1 is about 25 CZK. Country: Czech Republic: Elevation: 654 feet: Latitude: 50° 6' 2.88" N: Václav Havel Prague Airport Code; Prague Airport Code; Czech Republic airport codes Ruzyně International is located in Czech Republic, using iata code PRG, and icao code LKPR.Find out the key information for this airport. ISO 3166-2:KH is the entry for Cambodia in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1 . Currently for Cambodia, ISO 3166-2 codes are defined for 1 420. The Czech Republic telephone country code is the number 420. If you want to call Czech Republic from another country, you can do it dialing the number 420, before the entire telephone number. each country has his owm number to identify this area. Skill List by Country. Presidential Proclamation 9645 and the January 2020 Presidential Proclamation. Public Inquiry Form. List of U.S. Embassies and Consulates. Affidavit of Support Fee Refund. Immigrant Visa Prioritization. USCIS Extends Suspension of Premium Processing Service for Religious Workers (R-1) Nonimmigrant Visa Classification fiEfE.