Western Illinois University: Macomb Campus
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Library Identification Number
Your 14-digit Library ID Number begins with the library's five-digit 21711 prefix and ends with your nine-digit University ID number which you were assigned when you enrolled at Western Illinois University. It is printed on the front of your campus ID card (21711xxxXXXxxx). The Registrar's Office assigns University ID numbers. Contact Library Access Services if you are enrolled at WIU, but your Library ID does not work.