Richland, Washington Area Code

Richland, WA Area Codes are

Richland, WA is currently using one area code which is area code 509.

In addition to Richland, WA area code information read more about area code 509 details and Washington area codes.

Richland, WA is located in Benton County and observes the Pacific Time Zone. View our Times by Area Code tool.

Washington Area Code Map