Japan's mobile/internet/communications guide

Choose the communication method according to your length of stay and purpose of use.

This page not only provides general information, but also organizes the order and points to check when actually preparing. For people coming to Japan from overseas, it is important to proceed with plenty of time, as each procedure can take time due to differences in language and systems.

short term

We emphasize immediate use of eSIM, etc.

Conditions vary depending on the person and company. The most efficient way to proceed is to organize your purpose, timing, budget, and necessary language support, and then check only the parts you don't understand with a specialist.

long term

Check your phone number and contract terms.

Conditions vary depending on the person and company. The most efficient way to proceed is to organize your purpose, timing, budget, and necessary language support, and then check only the parts you don't understand with a specialist.

home line

Check building equipment and construction period.

Conditions vary depending on the person and company. The most efficient way to proceed is to organize your purpose, timing, budget, and necessary language support, and then check only the parts you don't understand with a specialist.

Work use

Focus on stability and speed.

Conditions vary depending on the person and company. The most efficient way to proceed is to organize your purpose, timing, budget, and necessary language support, and then check only the parts you don't understand with a specialist.

contract

Check prices and cancellation terms.

If you compare only based on price, you may find out later that there are additional costs and differences in terms and conditions. It's a good idea to separate what is one-time costs and what is monthly/yearly costs and have them confirmed in writing.

Update and check information regularly

Japanese systems, fees, and service terms are subject to change. Please do not make important decisions based solely on the information available at the time of reading the article, and please check the latest information from public institutions, contractors, experts, etc. before taking any action. In particular, the handling of legal, tax, residence status, and medical matters will vary depending on individual circumstances.

Expand from one theme to related items

Life, housing, work, and family issues are interconnected. Don't limit yourself to just one article; check out related guides to get a complete picture. JCBO JAPAN GUIDE has a structure that progresses from individual themes to pillar pages and consultation desks.

What I would like you to tell me when consulting with JCBO

If you would like to discuss the "Japanese Mobile/Internet/Communication Means Guide" individually, please let us know your current situation, desired time, location, budget, and what you have already decided and what you have not yet decided. JCBO organizes the consultation contents and guides you through what can be resolved with general information and what needs to be dealt with by corporate services or qualified experts.