The Public Library of Cincinnati and Hamilton County
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Your Library PIN

Your Library PIN (Personal Identification Number) is needed to:

Until you change it, your PIN is the last 4 digits of the phone number you provided when you applied for your card. PINs are 4-10 characters long, and can be changed to any combination of letters and numbers. If you do not know or cannot remember your PIN, call Circulation Services at 513-369-6913 or contact your local library.