Mobile auspicious number (beautiful number) refers to the number that is scarce in the same paragraph, has the same tail number or middle number, and is regularly connected or repeated. Numbers from 0 to 9 can be used as lucky numbers (beautiful numbers), but the rules are different. For details, please call local 10086.
You can also enter the official account of "China Mobile 10086" WeChat and send "Manual" or "Customer Service" to contact online customer service to serve you.