This app was removed from the App Store.
US Area Codes
iOS iPhone Reference
US Area Codes for iPhone, iPod Touch and iPad contains the area codes in use for all 50 states of the US. You can search by city or state with search results actively displayed as your enter information.
You can also perform a reverse lookup by entering an area code to find out which city and state it belongs to.
Download now and add this must have reference app to your collection!