When you arrive in Japan, your Residence Card (Zairyu Card) is not always issued immediately. While you might receive it at the airport, in many cases, the process only moves forward after you register your address at the local city office. This creates a gap of anywhere from a few days to two weeks. The problem is that you still have a lot to do during this period. Here is a guide on how to get through this transition period smoothly.
Why Does This Gap Occur?
The Residence Card is not a document that is always ready the moment you arrive.
- While you may receive it at the airport, otherwise, the process continues only after you register your address (moving-in notification) at the city office.
- To register an address, you must first have a place to live.
- It takes time for the physical card to actually get into your hands.
However, even during this period, you often need to look for housing, visit the bank, and search for a part-time job.
The First Major Obstacle During the Gap
Almost every official process requires a contactable Japanese phone number.
- Real estate/housing inquiries → Contact info (Japanese number) required
- Opening a bank account → Japanese number required
- Applying for part-time jobs → Contactable number required
It is extremely difficult to proceed with a foreign phone number, and if you cannot make or receive calls in Japan, the entire process grinds to a halt. This is why many people find themselves unable to do anything, wasting precious time while waiting for their Residence Card.
How to Minimize This Gap
The key is to secure a phone number as early as possible. There are two ways to do this.
1. Prepare Before Departure
If you set up your Japanese phone number while still in your home country, you can start the housing, banking, and job application processes the moment you arrive. This drastically reduces the gap period. eSIMs are perfect for this method as they can be installed via QR code without physical shipping.
2. Quick Activation Right After Arrival
If you have already arrived in Japan, it is best to find a way to get a number as quickly as possible after your documents are verified. Since official carrier contracts often require a residence period and strict screening—which can block you right after arrival—it helps to know alternative activation methods available in this situation.
Don't Forget to Consider Internet
Once your housing is decided, you will need internet, but fiber-optic (hikari) line installation usually takes 2 to 4 weeks. If this installation wait overlaps with your initial gap period, you could face nearly a month of inconvenience after arrival.
Home Wi-Fi (plug-and-play routers) or pocket Wi-Fi (portable hotspots) can be used from day one without any installation work, making them perfect for bridging this gap.
How KEICALL Can Help You
- Get a Japanese Number Before Departure — Apply from abroad so your number is ready the moment you arrive.
- Fast Activation Support After Arrival — Even if you are already in Japan, we provide guidance tailored to your situation.
- No-Installation Internet — Solve your internet needs instantly with Home Wi-Fi or Pocket Wi-Fi.
- Korean Support — If you are confused about where to start, we guide you through the steps in Korean.
The first two weeks after arrival is the period where the gap between those who prepared and those who didn't is the widest. If you know the steps and prepare in advance, you can start settling in without wasting any time.
If you are overwhelmed with what to prepare before or after arriving in Japan, please contact us via KakaoTalk. We will guide you through the process step-by-step in Korean.