1. Go to the local police station. You can bring relevant documents (such as household registration book, birth certificate, etc.) ) to the police station where the baby is registered. Tell me your ID number.
2. Inquire through official website, the public security department. You can log in to official website, the local public security department, find the relevant inquiry portal, and enter relevant information according to the prompts for inquiry. Generally speaking, you need to provide the baby's name, date of birth, gender and other information.
3. Call the public security department. You can call the local public security department to explain the situation to the staff and provide relevant information about the baby. The staff will help you check your ID number.
It should be noted that due to personal privacy, the public security department has certain restrictions on inquiring other people's ID numbers. So when inquiring, you may need to provide some supporting materials to prove that you have the right to inquire the baby's ID number. In addition, the query methods in different regions may be different, so it is suggested that you choose the appropriate query method according to the local actual situation.