City of Fullerton Fullerton Public Library The whole city site Just this section Disclaimer Home: Main Library: 353 W. Commonwealth, Fullerton, CA 92832 * Phone (714) 738-6326 Hours: Mon-Thur 10:00 to 9:00; Friday 10:00 to 6:00; Saturday 10:00 to 5:00; Sunday 1:00 to 5:00 Library Home Page Library Catalog and Patron Information Adult Services Children's Services Borrowing Information Hunt Branch ...