Is Sub and Donut open today?
We have not been able to verify a weekly schedule for Sub and Donut. The quickest way to check is to call (909) 899-3835.
For reference, 3 bakeries in Fontana publish their hours — the earliest opens at 6:30 AM and the latest closes at Midnight.
Holiday hours
Bakeries often open early and close early around major holidays — and the days before Thanksgiving and Christmas are among the busiest of the year for pie and cake orders. Expect changes on these upcoming dates:
- Thanksgiving — Thursday, November 26, 2026
- Christmas Eve — Thursday, December 24, 2026
- Christmas Day — Friday, December 25, 2026
- New Year's Day — Friday, January 1, 2027