How do I find a ZIP code by city or state?

You can find ZIP codes by city or state using our search tool. Just enter the city or state name, and you'll see all related ZIP codes instantly.

What is a ZIP+4 code?

A ZIP+4 code adds four digits to the basic five-digit ZIP code. It helps the USPS deliver mail more precisely to specific addresses or buildings.

Are ZIP codes the same as postal codes?

ZIP codes are the U.S. version of postal codes, used by the USPS to identify delivery areas. Other countries use postal codes with different formats.

Complete ZIP Codes For Columbia, Oregon

Browse Columbia ZIP Codes

ZIP Codes in Columbia County help organize mail delivery and define local service areas. Each ZIP Code corresponds to a specific community or post office, ensuring residents, businesses, and visitors can find accurate address information quickly. By browsing the complete list of Columbia ZIP Codes, you can easily identify the correct code for mailing, business, or geographic purposes.

Saint Helens

Post Office	Saint Helens
Division	Columbia
Pincode	97051

Scappoose

Post Office	Scappoose
Division	Columbia
Pincode	97056

Rainier

Post Office	Rainier
Division	Columbia
Pincode	97048

Clatskanie

Post Office	Clatskanie
Division	Columbia
Pincode	97016

Warren

Post Office	Warren
Division	Columbia
Pincode	97053

Vernonia

Post Office	Vernonia
Division	Columbia
Pincode	97064

Total Post Offices (8) Page 1 of 2
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Cities in Columbia

8 cities in Columbia County | List of ZIP Codes in Oregon

ZIP codes in Columbia County, Oregon not only facilitate mail delivery but also provide important demographic and geographic insights. Each ZIP code corresponds to specific areas within the county, helping businesses, residents, and researchers understand population distribution, city locations, and service coverage across Columbia County.

Businesses and service providers rely on accurate ZIP code information in Columbia County to plan deliveries, target customers, and ensure timely services. By referencing the full list of ZIP codes, companies can optimize logistics and outreach, while residents can easily identify the correct postal codes for their addresses within Oregon.

Knowing the correct ZIP codes in Columbia County ensures fast and accurate mail delivery from the United States Postal Service (USPS). It also helps travelers, online shoppers, and local residents navigate efficiently across towns and communities in Columbia County, making ZIP codes an essential part of daily life and business operations.