"underserved areas" is correct and usable in written English.
For example, "This charity focuses on providing aid to underserved areas."
Federally qualified health centers (FQHCs) were designed to provide care in medically underserved areas.
Calpers has committed $3.5 billion to "underserved areas of California," including about $1.2 billion to abandoned urban neighborhoods.
It is therefore questionable whether CON ensures access in medically underserved areas.
But basic and applied environmental studies and the physical sciences are among the "underserved" areas likely to benefit.
PURPOSE To explore students' intentions to practice in medically underserved areas.
Since its founding in 1954, the NGO has sent roughly 30 million books to underserved areas.
The Obama administration has proposed $400 million in financing to lure grocery stores to underserved areas.
But, more importantly, it also helps to detect underserved areas.
The legislation provides exemptions for some flights to underserved areas.
The partnership promotes and supports after-school programs in underserved areas of New York.
Almost half of the country's medically underserved areas still lack a health center site.
