Columbia County, Washington
Columbia County, Washington, has 2 towns and 2 ZIP codes, in area code 509.
Towns in Columbia County, A to Z
ZIP codes in Columbia County
Area code in Columbia County
- Area code 509
In service since 1957. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Local numbers in area code 509
Looking for a phone number with a Columbia County area code? These 509 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.
- (509) 776-7899Columbia, WA$59View & buy
- (509) 778-6788Prosser, WA$59View & buy
- (509) 779-1765Curlew, WA$59View & buy
- (509) 779-1789Curlew, WA$59View & buy
- (509) 779-1987Curlew, WA$59View & buy
- (509) 779-8764Curlew, WA$59View & buy
- (509) 788-7657Prosser, WA$59View & buy
- (509) 788-7658Prosser, WAAlso spells ROKU$59View & buy
- (509) 788-7789Prosser, WA$59View & buy
- (509) 788-7876Prosser, WA$59View & buy
- (509) 794-5677Quincy, WA$59View & buy
- (509) 870-9877Kennewick, WA$59View & buy
We may earn a commission when you buy through our links. Numbers are sold and delivered by Exclusive Digits.