Washington State Zip Codes: Guide & Lookup

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Washington State, known for its diverse landscapes from the Pacific coast to the Cascade Mountains, uses zip codes to efficiently manage mail delivery and logistics. Understanding these zip codes can be crucial for businesses, residents, and travelers alike.

Understanding Washington State Zip Codes

Zip codes in Washington State are five-digit numbers that the United States Postal Service (USPS) assigns to specific geographic regions. These codes help streamline the sorting and delivery of mail. Knowing the correct zip code ensures your mail reaches its destination promptly.

How Zip Codes Work

  • The first digit represents a broad geographic area, often a group of states.
  • The next two digits designate a specific sectional center facility (SCF).
  • The last two digits pinpoint post offices or delivery zones within that SCF.

Finding a Zip Code

There are several ways to find a zip code in Washington State:

  1. USPS Website: The official USPS website offers a zip code lookup tool.
  2. Online Directories: Websites like Zip-Codes.com provide comprehensive zip code directories.
  3. Post Office: Local post offices can assist with zip code lookups.

Key Zip Codes in Major Cities

Here are some zip codes for major cities in Washington:

  • Seattle: 98101 (Downtown Seattle)
  • Spokane: 99201 (Downtown Spokane)
  • Tacoma: 98402 (Downtown Tacoma)
  • Vancouver: 98660 (Downtown Vancouver)
  • Bellevue: 98004 (Downtown Bellevue)

Zip Code Uses

  • Mail Delivery: Ensures accurate and timely mail delivery.
  • Logistics: Helps businesses optimize shipping routes and delivery schedules.
  • Marketing: Allows targeted marketing campaigns based on geographic location.
  • Data Analysis: Provides geographic data for research and analysis.

Resources for More Information

Understanding and utilizing Washington State zip codes effectively can enhance your communication, logistics, and business operations. Whether you're sending a letter or analyzing market trends, zip codes are valuable tools for navigating the Evergreen State.