Welcome to Saint John XXIII
Fontana Parish

Contact Us

Fontana Center

7650 Tamarind Ave.
Fontana, CA 92336
(909) 822-4732 Fax: 822-0620

Phone number for
emergencies only:
(909) 578-0257

Fontana Office Hours

Monday-Friday
9:00a - 6:00p
Saturday
9:00a - 2:00p

Parish Office is closed at the following times:
Closed Sundays and weekly
12 - 1:00PM (lunch)

Rialto Center

222 E. Easton St.
Rialto, CA 92376
(909) 421-7030 Fax: 421-1374

Phone number for
emergencies only:
(909) 578-0257

Rialto Office Hours

Tuesday-Thursday
9:00a - 6:00p
Friday
9:00a - 4:00p
Sunday
9:00a - 1:00p

Parish Office is closed at the following times:
Closed Saturdays, Mondays, and weekly
12 – 1:00PM (lunch)