Banks in Diamond Bar, California
We list 13 bank branches in Diamond Bar from 12 FDIC-insured banks, in 1 ZIP code. The most branches belong to JPMorgan Chase Bank, National Association (2), Cathay Bank (1), CTBC Bank Corp. (USA) (1) and Zions Bancorporation, N.A. (1).
- 13branches
- 12banks
- 1ZIP codes
All bank branches in Diamond Bar
Showing 13 of 13
| Bank | Branch | Address | ZIP | Map |
|---|---|---|---|---|
| Cathay Bank | Diamond Bar Branch | 1195 S Diamond Bar Blvd | 91765 | Map |
| CTBC Bank Corp. (USA) | Diamond Bar Branch | 2783 S Diamond Bar Blvd | 91765 | Map |
| Zions Bancorporation, N.A. | Diamond Bar Branch | 1200 S Diamond Bar Blvd | 91765 | Map |
| Bank of Hope | Diamond Bar Branch | 2809 S Diamond Bar Blvd | 91765 | Map |
| East West Bank | Diamond Bar Branch | 379 S Diamond Bar Blvd | 91765 | Map |
| Preferred Bank | Diamond Bar Branch | 1373 S Diamond Bar Blvd | 91765 | Map |
| Bank of America, National Association | Grand and Diamond Bar Branch | 1196 S Diamond Bar Blvd | 91765 | Map |
| Wells Fargo Bank, National Association | Diamond Bar Town Center Branch | 1150 S Diamond Bar Blvd | 91765 | Map |
| Royal Business Bank | Diamond Bar Branch | 1139 S Diamond Bar Blvd | 91765 | Map |
| JPMorgan Chase Bank, National Association | Diamond Bar Branch | 1100 S Diamond Bar Blvd | 91765 | Map |
| JPMorgan Chase Bank, National Association | Diamond Bar Blvd & Cold Springs | 2717 S Diamond Bar Blvd | 91765 | Map |
| U.S. Bank National Association | Diamond Bar Branch | 1175 Grand Ave | 91765 | Map |
| Citibank, National Association | Diamond Bar Branch | 1188 S Diamond Bar Blvd | 91765 | 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 Diamond Bar, CA?
Our list has 12 banks with 13 branches in Diamond Bar. Branches open and close, so confirm with the bank.
Which bank has the most branches in Diamond Bar?
In our list it is JPMorgan Chase Bank, National Association, with 2 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.