"National prominence" refers to being well-known and respected throughout the entire country. It means that someone or something has gained a notable level of recognition and importance on a national scale. Full definition
This heroic endeavor earned national prominence for the drivers and their dogs. (sibrescue.com)
Here was a technology that had achieved national prominence, and yet we couldn't track down a single vehicle to try out. (calcars.org)
According to a number of industry experts, such a deal would almost undoubtedly create an opening for one or more of the channel's rapidly growing chains to rise into national prominence. (petbusiness.com)