United States

San Mateo Postal Codes

Complete directory of postal codes in this county

Location Information

30 counties

Counties

San Mateo

Languages

  • English (United States)
  • Spanish (United States)

Coordinates

37.453990, -122.203130

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Country

United States

View all postal codes

Counties

Showing 30 results
Place Name
Postal Code
Atherton
94027
Belmont
94002
Brisbane
94005
Burlingame
94010
Daly City
94014
Daly City
94015
El Granada
94018
Half Moon Bay
94019
La Honda
94020
Loma Mar
94021
Menlo Park
94025
Millbrae
94030
Montara
94037
Moss Beach
94038
Pacifica
94044
Pescadero
94060
Portola Valley
94028
Redwood City
94061
Redwood City
94062
Redwood City
94063
Redwood City
94065
San Bruno
94066
San Carlos
94070
San Francisco
94128
San Gregorio
94074
San Mateo
94401
San Mateo
94402
San Mateo
94403
San Mateo
94404
South San Francisco
94080

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How to Find a Postal Code

Each administrative division maintains its own postal code for mail delivery purposes. Here are some tips for finding the correct postal code:

  • Search for your specific address using our search tool above
  • Browse through the list of counties in the region
  • Use the interactive map to locate your area
  • Contact your local post office for verification

Postal Code Tips

Postal codes may change occasionally. Always verify with official sources before important mailings.

Quick Facts

  • Country Code: US
  • Capital: Washington
  • Currency: Dollar (USD)
  • Phone Code: +1
  • Timezone: America/Adak (GMT-10)
  • Driving Side: Right
  • Voltage/Frequency: 120V (60Hz)
  • Plug Types:
    A - Type A plug B - Type B plug

Neighboring Countries

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