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Welcome to St. John XXIII

Get Involved

We invite you to register and become a part of our vibrant community. Discover the various ministries available and find one that aligns with your interests and passions. Join us in using your God-given talents to make a positive impact in our community and give glory to God!

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Together we support
Together we build

We sincerely appreciate and invite you to consider providing financial support to our parish. Your contributions play a vital role in sustaining our community and enabling us to continue our mission. 

Contact Us

We welcome you to reach out to us for any inquiries, to learn more about our Mass schedules, religious education programs, and community initiatives, or to discover how you can be part of our parish family.

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St. John XXIII Parish Catholic Community 

7650 Tamarind Ave, Fontana, CA 92336

OFFICE HOURS

Monday to Friday

8:00 am. - 5:00 pm.

Closed 12:00 pm - 1:00 pm daily for lunch

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For emergency sick calls (only after office hours), please call (909) 441-9443.

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We would like to inform our parishioners that our emergency phone number should only be called outside of business hours for Sickness only. When leaving a message speak slowly and leave your contact information.  If this is not an emergency, please don't call the emergency number, but call our parish office.

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