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Mercer Island ZIP Code Finder by Area and Number Washington

The Mercer Island zip code is 98040 in Washington helps people find the correct mailing location for homes, businesses, and services in Mercer Island.

Welcome to our complete guide for Mercer Island, Washington ZIP Codes. Whether you're moving to Mercer Island, sending mail, searching for an address, or looking for local postal information, this page provides everything you need to know about the ZIP Codes serving Mercer Island, Washington.

Every Mercer Island ZIP Code is assigned by the United States Postal Service (USPS) to support efficient mail delivery and address identification. In addition to postal services, Mercer Island ZIP Codes are widely used for online shopping, navigation, banking, insurance, healthcare, business operations, and government services.

CityMercer Island
Zip Code98040
StateWashington
CountyKing
Population25,282
Latitude47.56611
Longitude-122.232
Time ZoneAmerica/Los_Angeles

The Mercer Island Washington zip code is used by USPS for mail delivery, shipping, and address identification across Mercer Island and nearby Washington cities.

Mercer Island Washington is a growing city in Washington, and many people search for the Mercer Island zip code, Mercer Island postal code, Mercer Island WA zip code, and Mercer Island Washington mailing code when sending mail or locating addresses. The zip code in Mercer Island is important for deliveries, online orders, location searches, and business listings in Mercer Island.

If you are searching for the Mercer Island zip code list, Mercer Island WA postal code, Mercer Island Washington city zip code, or Mercer Island mailing zip code, this page helps you quickly find the correct Mercer Island zip code. Many residents, travelers, and businesses use the Mercer Island zip code lookup to confirm the correct Mercer Island mailing address.

The Mercer Island zip code area covers neighborhoods, residential communities, and business locations in Mercer Island WA. Whether you are looking for the Mercer Island city zip code, Mercer Island Washington postal code, Mercer Island WA mailing code, or Mercer Island location zip code, the Mercer Island zip code Washington helps identify the correct postal region in Washington.

People also search for zip codes near Mercer Island, Mercer Island postal codes, Mercer Island WA zip code lookup, Mercer Island address zip code, and Mercer Island Washington USPS zip code to find nearby locations in Washington.

ZIP Codes in Mercer Island

The following ZIP Codes serve Mercer Island, Washington.

ZIP CodeCountyPopulationTime Zone
98040King25,282America/Los_Angeles

Whether you're searching for a residential, commercial, or mailing address, the ZIP Code list above makes it easy to find the correct postal code for Mercer Island.

About Mercer Island, Washington

Mercer Island is located in King County, Washington, and is served by one or more ZIP Codes assigned by USPS. Residents, businesses, and visitors rely on these ZIP Codes for mail delivery, package shipping, address verification, and location-based services.

Some cities have a single ZIP Code, while larger cities may have multiple ZIP Codes covering different neighborhoods or business districts.

If you're searching for a Mercer Island ZIP Code, this page provides the latest available information to help you find the correct postal code quickly.

Mercer Island ZIP Code Map

The Mercer Island ZIP Code map helps visitors understand the geographic coverage of ZIP Code areas throughout the city.

The map can help you:

  • Locate neighborhoods
  • Find nearby ZIP Codes
  • Explore surrounding communities
  • Plan travel routes
  • Understand delivery areas

Find a ZIP Code in Mercer Island

If you need to locate a ZIP Code within Mercer Island, you can search using:

  • Street address
  • Neighborhood
  • Business name
  • Landmark
  • USPS mailing address

Using the correct Mercer Island ZIP Code helps improve mail delivery, shipping accuracy, and address verification.

About Living in Mercer Island

Mercer Island, Washington is part of King County and is home to approximately 25,282 residents. The city operates in the America/Los_Angeles time zone and is identified by the geographic coordinates 47.56611 latitude and -122.232 longitude.

Residents enjoy access to local schools, businesses, public services, healthcare facilities, parks, and transportation networks. Whether you're relocating, visiting, or starting a business, knowing the correct ZIP Code helps simplify everyday tasks.

Common Uses of Mercer Island ZIP Codes

ZIP Codes in Mercer Island are commonly used for:

  • USPS mail delivery
  • Package shipping
  • Online shopping
  • Address verification
  • Banking
  • Insurance
  • Government services
  • Emergency services
  • Navigation
  • Real estate
  • Business operations
  • Delivery planning

Why Mercer Island ZIP Codes Matter

Using the correct Mercer Island ZIP Code offers several benefits.

For Residents
  • Faster mail delivery
  • Accurate online orders
  • Easier address verification
  • Better navigation
For Businesses
  • Shipping optimization
  • Customer management
  • Delivery planning
  • Local marketing

Frequently Asked Questions

Mercer Island is served by one or more ZIP Codes listed on this page.
Mercer Island is currently served by 1 ZIP Code. The number of ZIP Codes depends on the size of the city and USPS delivery routes.
Mercer Island is located in King County.
Mercer Island is located in Washington.
The estimated population of Mercer Island is 25,282.
Mercer Island follows the America/Los_Angeles time zone.
Use your street address or browse the ZIP Code list available on this page.
No. Some ZIP Codes may include residential, commercial, government, or PO Box delivery areas.
Using the correct ZIP Code helps improve mail delivery, shipping accuracy, navigation, and address verification.
Official ZIP Code information is maintained by the United States Postal Service (USPS).

Conclusion

Whether you're looking for a mailing address, planning a move, or researching local information, this Mercer Island, Washington ZIP Code guide makes it easy to find the postal information you need. Explore the ZIP Code list, use the map, and browse additional location details to learn more about Mercer Island and its surrounding communities.

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