There are two sets of numbers in japanese the native japanese system and the sino-japanese system. The sino-japanese numbers are used in combination with counter words ( josshi), when counting things, actions and events. As we all know, there are some certain rules in a form of the phone number, according to japanese phone number rules, the first 2345 digits of the phone number can locate prefecture, for example, phone number , 06 can locate the city amagasaki, area hygo. my number is a 12-digit id number issued to all citizens and residents of japan, including resident foreigners, and is used for social security, taxation and disaster response purposes. To simplify administration procedures, the government would like everyone to apply for a my number id (also known as an individual number or kojin bang) but you arent required to have one. The time in japan is now 022354am calling japan from the united states explained 011 - us exit code dial first for international calls made from the usa or canada 81 - country code for japan phone number (may not begin with 0) fixed - 9 digits, including area code. Jurisdictions name japan information on tax identification numbers section i tin description individual number (my number) individual number (nicknamed my number)is 12-digit numbers assigned to individuals living in japan under the social security and tax number system. Japan post was a government-owned corporation in japan, that existed from 20032007, offering postal and package delivery services, banking services, and life insurance. It had over 400,000 employees and ran 24,700 post offices throughout japan and was the nations largest employer. japan coronavirus update with statistics and graphs total and new cases, deaths per day, mortality and recovery rates, current active cases, recoveries, trends and timeline.