Area Code 564: Tri-Cities Area Overlay

Area code 564 is in Tri-Cities Area Overlay, Washington. Numbers that start with 564 are based in Kennewick, Pasco, Richland.

Area code 564 covers Tri-Cities Area Overlay in Washington. The primary cities served include Kennewick, Pasco, Richland.

Area code 564 is primarily associated with Kennewick, along with Pasco, Richland. It serves the broader Tri-Cities Area Overlay area.

Area code 564 is in Washington (WA). Washington has 6 area codes in total.

Area code 564 operates in the Pacific Time Zone. Keep this in mind when scheduling calls with contacts in the Tri-Cities Area Overlay area.

Yes, area code 564 is an overlay of area code 509. Both codes serve the same geographic area, Tri-Cities Area Overlay, and were introduced to meet growing demand for phone numbers. Because 564 is an overlay, 10-digit dialing is required for all local calls within the region.

Yes. Because 564 is an overlay sharing its territory with area code 509, 10-digit dialing, the full area code plus the 7-digit number, is required for all local calls within Tri-Cities Area Overlay.

No, area code 564 is a local geographic area code, not a toll-free number. Standard call charges apply based on your carrier plan. Toll-free area codes include 800, 833, 844, 855, 866, 877, and 888.

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