The area code 509 is located in Kennewick, Washington.
The 509 area code is home to the vibrant city of Kennewick, Washington. If you're searching for information about area code 509, you've come to the right place! Located in the southeastern part of the state, Kennewick offers a unique blend of natural beauty, outdoor adventures, and cultural attractions. Whether you're a resident or planning a visit, discovering more about this area code will help you connect with the community and explore all that Kennewick has to offer. So, let's dive in and uncover the wonders of 509!