Family communication toolkit
A step-by-step guide for families using the Japanprison system. Everything below is aggregated from public sources; the prison's own official channels are linked where available.
Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.
Address block. Copy and paste into your envelope or shipping label.
〒postal-code 都道府県 city 刑務所名 4-10 Harumi-cho Fuchu, Tokyo 183-0057 Japan Inmate Full Name (Roman + 漢字 if known)
This prison's specific mail rules
Mail screened; limit on number of letters per month based on inmate's behavior grade. Format: ã183-0057 æ±äº¬é½åºä¸å¸æ´è¦çº4-10 åºä¸ååæ + name.
Country-wide mail rules
Visit a Japan Post office; address to the prison with the inmate's name and the prison's account reference.
This prison's general number: +81 42 362 4181(administrative — you cannot speak to inmates this way)
Book a visit: Walk-in or written application
Visits are typically 15 minutes weekdays only, one visitor at a time for pre-charge detainees.
This prison's visiting rules
Visits restricted to family unless approved; 15-30 minutes maximum, supervised. Foreign consular visits arranged separately.
Country-wide visiting rules
Important
This toolkit aggregates publicly available guidance. Rules vary by facility and change over time — always confirm with the prison's official contact channels before sending mail, money, or attempting a visit.