Banks in Ontario, California

We list 20 bank branches in Ontario from 13 FDIC-insured banks, in 3 ZIP codes. The most branches belong to U.S. Bank National Association (4), Wells Fargo Bank, National Association (3), JPMorgan Chase Bank, National Association (3) and First-Citizens Bank & Trust Company (1).

All bank branches in Ontario

Showing 20 of 20

BankBranchAddressZIPMap
First-Citizens Bank & Trust Company Ontario Branch 4150 Concours 91764 Map
City National Bank Ontario Branch 3633 Inland Empire Blvd 91764 Map
Cathay Bank Ontario Branch 2195 S Grove Ave 91761 Map
Citizens Business Bank, National Association Citizens Business Bank, National Association (main office) 701 N Haven Ave 91764 Map
Banc of California Ontario Branch 2401 S Grove Ave 91761 Map
East West Bank Ontario Commercial Banking Center 3237 E Guasti Rd 91761 Map
Bank of America, National Association Ontario Branch 735 N Euclid Ave 91762 Map
Wells Fargo Bank, National Association Ontario Branch 240 N Euclid Ave 91762 Map
Wells Fargo Bank, National Association South Ontario Branch 2500 S Grove Ave 91761 Map
Wells Fargo Bank, National Association Ontario Mills Branch 4240 E 4th St 91764 Map
Chino Commercial Bank, N.A. Ontario Branch Office 1551 S Grove Ave 91761 Map
JPMorgan Chase Bank, National Association Mountain & 4th Banking Center Branch 1070 N Mountain Ave 91762 Map
JPMorgan Chase Bank, National Association South Ontario Branch 2633 E Riverside Dr 91761 Map
JPMorgan Chase Bank, National Association Ontario Ranch Rd and Haven Ave Branch 3470 E Ontario Ranch Rd 91761 Map
PNC Bank, National Association Ontario Superior Branch 815 W Holt Blvd 91762 Map
U.S. Bank National Association Ontario - Grove Avenue Branch 2280 S Grove Ave 91761 Map
U.S. Bank National Association Ontario Ralphs Branch 3075 S Archibald Ave 91761 Map
U.S. Bank National Association Ontario - Euclid Avenue Branch 333 N Euclid Ave 91762 Map
U.S. Bank National Association Ontario Branch 4261 Inland Empire Blvd Ste 102 91764 Map
Fifth Third Bank, National Association Ontario Branch 4295 Concours 91764 Map

Source: FDIC BankFind Suite, retrieved 2026-09-20. Hours and phone numbers are not part of this data: check the bank’s website before you visit.

Frequently asked questions

How many banks are in Ontario, CA?

Our list has 13 banks with 20 branches in Ontario. Branches open and close, so confirm with the bank.

Which bank has the most branches in Ontario?

In our list it is U.S. Bank National Association, with 4 branches.

How do I contact a branch?

The FDIC data has no phone numbers. Open the bank’s official website from its profile page here, or use the number on your card or statement.