What Are JAN Codes? The Barcode System Behind Japanese Games
What Are JAN Codes? The Barcode System Behind Japanese Games
Every physical product sold in Japan carries a JAN code — a 13-digit barcode that uniquely identifies that specific product. For import game collectors, JAN codes are the definitive way to confirm exactly which edition, print run, or variant of a game you're looking at or buying.
What Is a JAN Code?
JAN stands for Japanese Article Number. It is Japan's national implementation of the international EAN-13 standard (European Article Number). JAN and EAN-13 are technically identical — a JAN code is an EAN-13 barcode. Japanese JAN codes start with the country prefix 49 (most common) or 45.
The 13-digit structure breaks down as follows:
- Digits 1-2 or 1-3: Country prefix (49 or 45 for Japan)
- Digits following: Manufacturer code (assigned by the GS1 Japan organisation)
- Product code: Assigned by the manufacturer to identify the specific product
- Check digit: The final digit, calculated from the other 12 as a validation check
For example, the JAN code 4988615039270 identifies a specific game: the prefix 49 (Japan), manufacturer code for the publisher, a specific product line number, and the check digit 0.
Why JAN Codes Matter for Importers
Distinguishing Editions
A game can have dozens of variants: standard edition, limited edition, treasure box edition, play arts edition, download code-included edition, PlayStation Store bundle version, and so on. Each has its own JAN code. The title and cover may look similar; the JAN code is different.
If you're hunting a specific edition — say, the original first-print run with a specific DLC code card, or the "First Limited Edition" that includes an art book — the JAN code is the only reliable identifier. A seller listing "Final Fantasy XVI Deluxe Edition" might have any of several different physical products. Ask for or confirm the JAN code.
Cross-Store Price Comparison
JAN codes allow this site (and comparison tools in general) to match the same product across different retailers. When CDJapan and Play-Asia both list "Nier: Automata Game of the YoRHa Edition," the JAN code confirms they're selling the same disc, not two different variants at different prices.
Identifying Region Variants
Japanese (JPN), Asian English (AS), Hong Kong (HK), and Korean (KR) editions of the same game have different JAN codes. The physical packaging may be nearly identical — especially for Asian releases — but the JAN code reveals the distinction. This matters for language content and DLC compatibility.
Where to Find JAN Codes
On the barcode of the physical product: Flip the case over. The barcode printed there is the JAN/EAN code. Scan it with any barcode app.
On the retailer product listing: Play-Asia, CDJapan, and most reputable import retailers list the JAN code in their product details. On this site, the JAN code appears in the product data where we have it from the Play-Asia API.
On Japanese auction listings (Yahoo! Auctions, Mercari): Japanese sellers typically photograph the barcode or list the JAN in the item description. If they don't, you can ask.
On GS1 Japan's database: The organisation maintains a public lookup for registered JAN codes, though the database is incomplete for older or out-of-print products.
On barcode scanner apps: Most smartphone camera apps can scan barcodes. Apps like Barcode Scanner (Android) or the native iOS camera will read an EAN-13 and look it up in databases like Open Food Facts or library catalogs — though coverage for games is variable.
JAN vs UPC vs EAN
These three standards are related but distinct:
- UPC-A (USA/Canada): 12 digits. The standard for North American products.
- EAN-13 (international): 13 digits. Used in Europe, Asia, and most of the world. A UPC-A code is a valid EAN-13 with a leading zero.
- JAN (Japan): 13 digits. Starts with 49 or 45. Technically a subset of EAN-13.
A Japanese game has a JAN code. The same game released in North America has a UPC. The European release has an EAN starting with the appropriate country prefix. All three barcodes identify different products even if the game content is identical.
Reading a JAN Code: Practical Example
Take the code 4988615039270:
- 49 — Country prefix: Japan
- 88615 — Manufacturer code: registered to a specific publisher (in this case, Square Enix)
- 03927 — Product code: the publisher's internal identifier for this specific release
- 0 — Check digit: validates the preceding 12 digits
You can verify the check digit yourself: multiply alternating digits by 1 and 3, sum the results, and the check digit is whatever makes that sum a multiple of 10.
Using JAN Codes on This Site
Where our database has JAN code data from the Play-Asia API, it appears on the product page. You can use this to:
- Verify you're looking at the right edition before purchase
- Search auction sites for pre-owned copies of exactly the right variant
- Cross-reference with other price sources to confirm product identity
If the JAN code is missing from a product page here, it means the Play-Asia API didn't include it for that listing. In that case, check the retailer's own product page directly, or look for a barcode in the product photos.
A Note on First Prints and Limited Printings
Japanese publishers frequently produce "first press" editions — the initial production run includes bonus items (artbooks, OST CDs, download codes) that are removed from subsequent printings. These carry the same JAN code as later standard editions only if the packaging is unchanged. When first-press bonuses alter the package contents, publishers typically issue a new JAN code for the first-press variant.
This means "first press" isn't always distinguishable by JAN alone — you sometimes have to rely on seller photography and seller descriptions, or look for the "特典付き" (bonus included) notation in Japanese listings. When first-press variants do have separate JAN codes, those codes are an invaluable search tool for collectors.