Different schemes have different id numbers of different lengths.
10
Credit card ID numbers have three (Discover, Visa, MasterCard) or four (American Express) digits.
12
12
there are nine digits in a tax id number
there are nine digits in a tax id number
there are nine digits in a tax id number
California inmate ID numbers contain six digits.
9
Different schemes have different id numbers of different lengths.
there are 6
16
depends on how many people are locked up 7 or 8 numbers
That depends on what ID card you have.
10
A federal tax ID number for an entity is 2 digits followed by a dash followed by seven more digits. (12-1234567). If the number is in that format, it is probably federal and may also be used as the state ID number, depending on the state. If still uncertain, call the company and ask them for their Federal ID #.