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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?

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All ZIP Codes for Cathlamet Washington – Postal Code Lookup

Cathlamet ZIP Code

The city of Cathlamet is assigned specific ZIP Code(s) by the United States Postal Service (USPS) to make mail delivery accurate and efficient. A ZIP Code in Cathlamet helps identify the correct postal area, ensuring that letters, parcels, and packages reach the right neighborhood or post office without delay. For residents, businesses, and visitors, knowing the correct Cathlamet ZIP Code is important not only for mailing purposes but also for location-based services, navigation, and demographic reference.

Cathlamet

Post Office	Cathlamet
Division	Wahkiakum
Pincode	98612

Total Post Office (1) Page 1 of 1

Zip Codes in Cathlamet, Washington

Zip Code list in Wahkiakum for your selected city Cathlamet is shown below. Use these ZIP Codes to ensure accurate mail delivery, business operations, or location reference.

98612

About Cathlamet, Washington ZIP Codes

Cathlamet is located in Wahkiakum County, Washington. The United States Postal Service (USPS) assigns multiple ZIP Codes in this region to simplify mail distribution, navigation, and address identification. Each ZIP Code in Cathlamet covers a specific neighborhood or area, which is important for residents, businesses, and government offices. Having the correct ZIP Code ensures smooth delivery of letters, online orders, and official documents.

Why Knowing the ZIP Code is Important?

Ensures accurate and timely mail delivery
Helps businesses and eCommerce platforms verify addresses
Useful for demographic research and census data
Required for utilities, banking, and government services

Frequently Asked Questions (FAQs) about Cathlamet ZIP Codes

The primary ZIP Code for Cathlamet, Washington depends on the specific neighborhood. Use our list above to find the correct code.

Cathlamet has multiple ZIP Codes covering different areas of the city. Check the table above for the complete list.

You can use our ZIP Code lookup tool by selecting the city, county, and state to locate the right code for your address.

All ZIP Codes in Cathlamet are assigned and managed by the United States Postal Service (USPS) for accurate mail sorting and delivery.

Yes, in many cases a single ZIP Code can cover more than one neighborhood or locality in Cathlamet to simplify mail distribution.

ZIP Codes usually remain stable for decades, but USPS may introduce new codes or adjust boundaries when population grows or new delivery routes are added in Cathlamet.