are occasionally found but are increasingly considered outdated for professional use. Email Domain Distribution in Japan
: Widely used for international business and by tech-savvy individuals.
The most common public domains used by businesses in Japan include:
Professionalism and polite language (Keigo) are essential for a first impression.
If you need bulk data, these platforms provide verified Japanese B2B contacts:
[ co.jp ] --> Exclusively for Registered Corporations (Kabushiki Kaisha) [ or.jp ] --> Reserved for Approved Non-Profit Organizations [ ne.jp ] --> Dedicated to Network Service Providers [ ac.jp ] --> Allocated to Accredited Higher Education Institutions The Prestige of co.jp