Factorial Riddle

FOR MORE INFO ON FACTORIALS, VISIT:  https://mathblogone.blogspot.com/2021/11/factorials.html

You are at the phone store and you want a new phone number. There's a catch though. First off, each digit must be shown once. There are 10 digits. What are the chances that you'll get this number: 235-674-1908

RULES:

Each digit is only used once.

There are 10 digits.

You have to find out what the chances are of getting the following number: 235-674-1908

Write your answer as a fraction(number/number)

Write your answer in the comments below.