Pacific time zone
Current Time in San Mateo: 11:50 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: 11:50 AM
Area Code State City Timezone
650CaliforniaSan MateoPacific