WhatsApp number checker for Japan
Upload a list of phone numbers from Japan and get it back in two files: the numbers that have a WhatsApp account and the ones that do not. You only pay for unique numbers
How mobile numbers are written in Japan
The check takes each number with its country code and nothing else. Here is the same mobile number from Japan in the three ways you will meet it
- Drop the leading 0 and put 81 in front: 090-1234-5678 becomes 819012345678
- A mobile number in Japan has 10 digits after +81. Numbers that are too short, too long or in a range that is not in use are left out and not charged
- One number per line in a .txt or .csv file. Duplicates and numbers from other countries are removed before you see the price
Mobile networks in Japan
These are the mobile networks that give out numbers in Japan. The WhatsApp check does not depend on the network: numbers from every one of them are checked the same way
| Network |
|---|
| Softbank |
| KDDI |
| NTT Docomo |
| Okinawa Cellular |
| Rakuten Communications |
What a list from Japan costs
€35 per 1,000,000 numbers · minimum file 2,000 numbersThe same price for every country. You pay only for the unique numbers from Japan in your file, from a prepaid EUR balance, with no subscription
Check a list from Japan in three steps
- Upload your listCreate a free account, choose the WhatsApp Standard Check and upload your numbers, one per line with 81 in front
- See the count and the priceWe detect Japan from the numbers, remove duplicates and other countries, then show the exact amount
- Download two filesThe numbers with a WhatsApp account and the ones without, in your account and in Telegram if you connect our bot
Questions about checking numbers from Japan
How do I check if a phone number from Japan is on WhatsApp?
For one number, save it in your phone's contacts and start a new chat in WhatsApp: if it shows up, it has an account. For a list, upload a .txt or .csv file here with one number per line. The WhatsApp Standard Check checks every unique number and gives you two files: the numbers with a WhatsApp account and the ones without
How do I write numbers from Japan in my file?
With the country code 81 and nothing else, one number per line, for example 819012345678. Drop the leading 0 and put 81 in front: 090-1234-5678 becomes 819012345678. A leading + or 00, spaces, dashes and brackets are removed for you
How long is a mobile number in Japan?
10 digits after the country code +81. Numbers that are shorter, longer or in a range that is not in use in Japan are left out of your order and not charged
Does the check work for every mobile network in Japan?
Yes. The check looks for a WhatsApp account, not at the network, so numbers from Softbank, KDDI, NTT Docomo and the other 2 networks are all checked the same way
Can I upload numbers from Japan together with numbers from other countries?
One order checks one country. If your file mixes countries, the order takes the numbers from Japan and leaves the others out without charging them. Upload the rest as a separate order for their own country
How much does it cost to check 100,000 numbers from Japan?
€3.50 with the WhatsApp Standard Check (€35 per 1,000,000 numbers). You only pay for the unique numbers from Japan, and your account shows the exact amount before you place the order
More about results and payment on the WhatsApp checker page and in the main FAQ
Other checks for numbers from Japan
WhatsApp checker in other countries
Check your list from Japan
Create a free account, upload your list and see the exact amount before you pay