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Understanding the Laser ID on Thai National ID Cards: Location and Meaning of Each Number

Life18 Feb 2026 12:48 GMT+7

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Understanding the Laser ID on Thai National ID Cards: Location and Meaning of Each Number

Laser ID on the national ID card It is one of the key pieces of information displayed on Thai national ID cards, often used in identity verification systems of government agencies and various services. Thairath Online will help clarify this code found on the back of the card, explaining its meaning and significance, along with an easy-to-understand breakdown of each part.

Getting to know the “Laser ID on the national ID card”: what it is and why it matters

Laser ID on the back of the national ID card Also known as the Laser Code, this is an identification code set by the Department of Provincial Administration to control and track the distribution of ID cards to district offices, district administrative offices, and municipal offices. This code is not personal information and is unrelated to details such as the cardholder’s name or the 13-digit ID number, which appear only on the front of the card.

Clarifying where the “Laser ID on the national ID card” is located

The Laser ID code is on the back of the Thai national ID card, beneath the magnetic strip. It typically appears as a string of letters and numbers printed permanently on the card’s surface. This code cannot be easily erased or altered and is an integral part of the official card produced and issued by the Department of Provincial Administration.

ตัวอย่างภาพเลข Laser ID หลังบัตรประชาชน (ที่มาของภาพ : www.i.industry.go.th/lasercode)

Why are the Laser ID numbers on the back of the national ID card important?

The Secretariat Office of the Department of Provincial Administration states that the back of the card features a control code used by the department to managethe issuance of national ID cards at district offices, district administrative offices, and municipal offices. It is not related to the cardholder’s personal data, which appears only on the front of the card.,

What does each part of the “Laser ID on the national ID card” mean?

According to the Office of the Permanent Secretary of the Ministry of Industry, the Laser Code consists of 12 alphanumeric characters divided into 3 key sections:

Section 1: Two English letters followed by one digit. This represents the version of the chip on the ID card, indicating the technology generation used in the card.

Section 2: Seven digits representing the box number in which the card is stored and sent to various units within the Department of Provincial Administration.

Section 3: Two digits indicating the card’s sequence number within that box.

For example, the code JC1-0002507-15 can be interpreted as follows:

  • “JC1” indicates the chip version.
  • “0002507” is the box number containing the cards.
  • “15” is the 15th card in that box.

Summary The Laser ID on the national ID card is a crucial code that provides information about the card’s issuance and status, aiding government management of ID cards. It helps regulate and verify the issuance process in an organized manner. Understanding this code enables users to be cautious and verify information before using online services more securely.