Enter the first three digits of your phone number (Not the area code).
Multiply by 80.
Add 1
Multiply by 250
Add the last four digits of your phone number.
Add them again.
Subtract 250
Divide by 2.
Enter the first three digits of your phone number (Not the area code).
Multiply by 80.
Add 1
Multiply by 250
Add the last four digits of your phone number.
Add them again.
Subtract 250
Divide by 2.