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Marathon County Public Library

Skip Navigation ATTENTION: (1) MCPL is closed 3/17–6/15; (2) curbside pickup starts 5/4: details.

What is my library card number (or patron ID)?

FAQ: What is my library card number (or patron ID)?

Answer:

Your library card number (also called your patron ID or account number) is the 14-digit number found on your library card, next to the barcode.