Free Japan Temporary Phone Numbers

Japanese numbers on InstantSMS use the +81 country code. Domestically, mobiles often start with 090, 080, or 070; internationally, drop the leading 0 so 090-1234-5678 becomes +819012345678. Japanese platforms can be strict about number ranges, so treat these lines as best-effort for lighter sign-ups and always prefer a number showing recent messages. Availability is typically thinner than US or UK pools - check this page for currently live lines before you start a verification flow.

App compatibility

• Generally reliable for: some marketplace and forum sign-ups, lighter regional sites
• Mixed results: Telegram, Discord, Instagram
• Frequently blocked: WhatsApp, Google, LINE, and Japanese banking or carrier-tied apps