There are 2 unique ZIP codes in Richland, Washington. Area code: 509.
2
ZIP codes
47.93
sq mi land
3.68
sq mi water
509
area code
Richland, WA ZIP code map
About Richland, WA
Richland, Washington, is a vibrant city located in the southeastern part of the state. As part of Benton County, Richland boasts a rich history and a diverse community. Known for its picturesque landscapes and access to outdoor activities, it attracts many visitors and residents alike.
Location & geography
Richland is situated along the banks of the Columbia River, offering scenic views and recreational opportunities. The city is approximately 12 miles southwest of Kennewick, 14 miles southeast of Pasco, and about 20 miles northeast of Prosser. Covering a total area of 47.93 square miles, Richland includes 3.68 square miles of water, contributing to its beautiful coastal environment.
Community & economy
The character of Richland is defined by its friendly atmosphere and a strong sense of community. The economy is supported by various industries, including technology, education, and health care, largely influenced by the nearby Hanford Site. Daily life in Richland features a blend of suburban living and recreational activities, with residents enjoying local parks, shopping areas, and cultural events.
Transportation
Richland is accessible via several major highways, including Interstate 182 and U.S. Route 12, which connect the city to larger metropolitan areas. The nearest commercial airport is the Tri-Cities Airport, located approximately 10 miles away in Pasco, providing convenient travel options. Public transit is available through Ben Franklin Transit, facilitating easy travel within the city and to neighboring areas.
History
Founded in the 1900s, Richland experienced significant growth during World War II, largely due to its role in the Manhattan Project and the establishment of the Hanford Site. Over the decades, the city has diversified its economy, with advancements in technology and research becoming increasingly important. Notable events, such as the annual Water Follies hydroplane races, contribute to the city's vibrant culture and community spirit.
Did you know?
One surprising fact about Richland is that it is home to the second-largest wine region in the United States, featuring numerous vineyards and wineries. Additionally, the city's commitment to environmental sustainability is evident in its extensive parks and green spaces.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What ZIP codes does Richland, WA have?
Richland, WA has 2 ZIP codes: 99352, 99354. Each ZIP code serves a distinct delivery area within the city and surrounding region.
What is the main ZIP code for Richland, WA?
The primary ZIP code for Richland, WA is 99352. The city uses area code 509 for phone service.
What county is Richland, WA in?
Richland is located in Benton County, Washington.
How many ZIP codes are in Richland, WA?
Richland, WA has 2 ZIP codes.
What ZIP code covers the downtown Richland area and Columbia Park along the Columbia River?
Downtown Richland and Columbia Park are located in ZIP code 99352, which serves the central business district and waterfront areas of the city.
Which ZIP code includes the Badger Mountain area and southern residential neighborhoods of Richland?
The Badger Mountain region and southern residential areas of Richland are served by ZIP code 99354, which covers the expanding southern portions of the city.
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