The whole address is commonly written as a string of characters with no particular format regarding where a new line would start, similar to one long sentence, with any new lines appearing depending on the space available on the envelope. Generally, the district is omitted when posting within China. Colombia In Colombia the address format uses a numeric format based on which increase the number from south to north and which increase the number from east to west. Croatia Croatian Post recommends the following format: Croatia uses five-digit postal code numbers. The Croatian postal service recommends using 2-letter ISO country codes as prefixes before international and domestic postal codes, though the practice is not mandatory. Czech Republic Common format in the Czech Republic: Postal codes are in the format "### ##" (i.e. 158 00 = Prague 58) or "CZ-#####" (especially for international mail). On pre-printed Czech postcards and envelopes, the postal code is written on a separate last row in boxes for each number. If the envelope doesn't have pre-printed rows and boxes, the postal code should be before the town (or post office) name. On private letters, the first line is usually constituted by a courtesy title (...) For private mails addressed to the workplace, the order is (name + company), while in official mails it is (company + name). The basic system of house numbering uses conscription house numbers (). For a temporary or recreational house, an evidentional house number ( or , or distinguished by initial 0 or E prefix) is used instead. In most larger cities and also in some towns and large villages with street names, there is a double system of house numbering. The first number is the conscription or evidentional number (which corresponds to the chronological order of cadastral registration of the house), and the second number (after a slash) is the orientational number () which expresses the position in the street. Sometimes only one of the two numbers is used, or the numbers are used in reverse order, and it can be difficult to distinguish which number is which. Generally, orientation numbers (if they exist) are preferred for mail services. How to correctly address mail Denmark In Denmark, apartment buildings will usually have two or three apartments per floor. Thus, if the addressee lives in an apartment, the address should contain the floor they live on, and a side ( or ,