Area Code Search
Pacific time zone
Current Time in San Mateo: 01:37 AM
San Mateo Area Codes
Here is the current list of area codes in San Mateo, CA. There is currently 1 area code(s) in San Mateo. Search all the most up-to-date currently used San Mateo area codes below.
Pacific time zone
Current Time in San Mateo: 01:37 AM
| Area Code | State | City | Timezone |
|---|---|---|---|
| 650 | California | San Mateo | Pacific |