With so many phone numbers around the country... the number of groupings is endless So, if you've been searching for a particular telephone number beginning with a 208-604 area code exchange, you you now can. With the assistance of reverselookupphonedirectory.com, all you must do to get information on someone with a 208-604 is type in the entire nine digit telephone numberr into the available search box. that's all you need to start your research. The days of scouring for background information from multiple sources are over.