August 31, 2021 Announcement of Status of Telecommunications Numbers in Use (FY2020)

The Ministry of Internal Affairs and Communications (MIC) has summarized status of telecommunications numbers in use as of the end of fiscal 2020, as reported by telecommunication carriers under Article 8 of the Rules for Reporting on Telecommunications Business (Ministerial Ordinance of MPT No. 46 of 1988), in accordance with Article 11 of the same Ordinance.

Note 1: The status of telecommunications numbers in use refers to numbers provided to subscribers by telecommunication carriers from those designated by MIC to telecommunication carriers.
Note 2: Number portability started between mobile phones and Personal Handy-phone System (PHS) phones in October 2014. Therefore, the total sum of mobile phone and PHS phone numbers are announced.

1. Number of main telecommunications numbers in use

1. As of the end of FY2020 (March 31, 2021)

  • “0AB-J” numbers for fixed telephones: Approximately 58.15 million numbers (down about 720 thousand from the previous year)
  • “050” numbers for IP telephony: Approximately 9.02 million numbers (up about 110 thousand from the previous year)
  • “070/080/090” numbers for mobile phones and PHS phones: Approximately 179.61 million numbers (up about 3.07 million from the previous year)

2. FY2020 (April 1, 2020, to March 31, 2021)

  • Number portability between telecommunications mobile phone and PHS phone: Approximately 5.03 million numbers

2. Main points

  • “0AB-J” numbers for fixed telephones: Decreased by approximately 720 thousand (down about 1.2%) between the end of FY2019 and the end of FY2020. It continues to decline.
  • “050” numbers for IP telephony: Increased by approximately 110 thousand (up about 1.2%) between the end of FY2019 and the end of FY2020. In recent years it has remained almost the same in number.
  • “070/080/090” numbers for mobile phones and PHS phones: Increased by approximately 3.07 million (up about 1.7%) between the end of FY2019 and the end of FY2020. There has been an increase in numbers used due to the entry of new cell phone carriers and other factors.

Contact

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