Area Code Search
Pacific time zone
Current Time in Diamond Bar: 10:15 AM
Diamond Bar Area Codes
Here is the current list of area codes in Diamond Bar, CA. There is currently 1 area code(s) in Diamond Bar. Search all the most up-to-date currently used Diamond Bar area codes below.
Pacific time zone
Current Time in Diamond Bar: 10:15 AM
| Area Code | State | City | Timezone |
|---|---|---|---|
| 909 | California | Diamond Bar | Pacific |