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Home Countries Continents

Stay Updated

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

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

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

Tools

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

All Postal Codes/United States/California/Port Costa

Port Costa Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

Port Costa uses the following postal code.

Coordinates: 38.046, -122.1866

All Postal Codes/United States/California/Port Costa

Port Costa Postal Codes

Administrative structure

Level 2: County

1Counties

2

Counties1

Postal code for this area

Port Costa uses the following postal code.

Coordinates: 38.046, -122.1866

Port Costa - United States Postal Codes