--- source_url: https://www.soumu.go.jp/main_sosiki/joho_tsusin/eng/pressrelease/2024/12/20_2.html ingested: 2026-07-01 sha256: d01690d12704130301dcee192fbabbf6b59245a9e63a0dc094873fed8f772406 discovered_from: platform: discord channel_id: 1477793137064935675 channel_name: tw message_id: 1521747654537773137 author_id: 1477793167486226708 posted_at: 2026-07-01T05:21:53.546000000Z message_excerpt: Discord digest highlighted Japan adding 060 mobile numbers and possible brittle phone-number validation implementations. --- ## December 20, 2024 Adding 060 Numbers to Mobile Phone Numbers for Voice Calls  **In response to the shortage of mobile phone numbers for voice calls, the Ministry of Internal Affairs and Communications (MIC) has changed its Telecommunications Numbering Plan, allowing mobile operators to issue new 11-digit numbers beginning with 060.  Once the relevant mobile operators complete the necessary preparations, mobile phone numbers for voice calls beginning with 060 will be available from July 2026 onward.**  Currently, the MIC provides mobile operators with 11-digit mobile phone numbers beginning with 070, 080 and 090 for voice calls in accordance with the Telecommunications Numbering Plan (MIC Notice No. 6 of 2019).  To address the shortage of 070, 080, and 090 numbers, the MIC today revised its Telecommunications Numbering Plan based on a report from the Information and Communications and Posts Administrative Council, chaired by AIDA Hitoshi, specially-appointed professor at the University of Tokyo, to allow mobile operators to issue new 11-digit numbers starting with 060.  Once the relevant mobile operators complete the necessary preparations, mobile phone numbers for voice calls beginning with 060 will be available from July 2026 onward.  The mobile phone numbers beginning with 070, 080 or 090 currently in use for voice calls can be used continuously. ## Contact For further information about this press release, please fill in the inquiry form and submit it to MIC on the website [https://www.soumu.go.jp/common/english\_opinions.html](https://www.soumu.go.jp/common/english_opinions.html) Global Strategy Division, Global Strategy Bureau, MIC TEL: +81 3 5253 5920 FAX: +81 3 5253 5924