United States

Cowlitz Postal Codes

Complete directory of postal codes in this county

Location Information

10 counties

Counties

Cowlitz

Languages

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

Coordinates

46.042230, -122.420010

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Country

United States

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Counties

Showing 10 results
Place Name
Postal Code
Ariel
98603
Carrolls
98609
Castle Rock
98611
Kalama
98625
Kelso
98626
Longview
98632
Ryderwood
98581
Silverlake
98645
Toutle
98649
Woodland
98674

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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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