Got a scam SMS without any number displayed or bulk message name title

Messages
208
Location
Kolhapur
ISP
Airtel 4G & LCO
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Today I received a scam message which don't have any number or name (like BX------ etc.)

How its possible to receive message which don't have any of number or bulk message id.

Also this message was received after the +91 7865067911 this guys called who was asking for UPI number and other banks details which I definitely not gave 😂 and told him to F*** *ff

Do anyone get such scam message without any message recipient details.