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Home Countries Continents

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

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The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

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Download Printable Postal Codes
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© Copyright 2026 ListPostCode. All rights reserved.

All Postal Codes/United States/California/San Mateo

San Mateo Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

San Mateo uses the following postal code.

Coordinates: 37.5735, -122.3225

All Postal Codes/United States/California/San Mateo

San Mateo Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

San Mateo uses the following postal code.

Coordinates: 37.5735, -122.3225

San Mateo - United States Postal Codes