Walla Walla, Washington
Pacific Time Zone (UTC-8) · WA · —
About Area Codes in Walla Walla, Washington
Walla Walla, Washington is served by area code 509, which was established in 1957 as a geographic split from a larger area code region. The city falls within the Pacific time zone (UTC-8). All calls to and from Walla Walla use the 509 area code prefix for local and long-distance dialing.
Other cities in area code 509
Frequently Asked Questions
What area code is Walla Walla, Washington?
Walla Walla, Washington uses area code 509.
What time zone is Walla Walla in?
Walla Walla is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Walla Walla?
Standard 7-digit dialing is used for local calls within Walla Walla. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 509 created?
Area code 509 was established in 1957 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 509 with Walla Walla?
Other cities sharing area code 509 with Walla Walla include Ellensburg, Kennewick, Moses Lake, Pasco, Pullman, among others.
Walla Walla, WA · Pacific Time Zone