Danville is an unincorporated community and census-designated place (CDP) in Ferry County, Washington, United States. Danville is located on Washington State Route 21 near the Canada–United States border, 31 mi north-northeast of Republic, the Ferry County seat. Danville has a post office with ZIP code 99121. The population at the 2010 census was 34.
Can we infer the following?
Danville zipcode is 99121.

pick from the following.
1). Yes
2). It's impossible to say
3). No
The answer is:
1).