Health insurance premiums for employer-sponsored plans vary by geography, and the same is true of plans offered on Affordable Care Act insurance exchanges. A Kaiser Health News analysis found that the highest monthly premiums for silver plans ($488) are found in Alaska, while the lowest-priced silver plans ($166) are available in Phoenix. Costly areas tend to be rural, with a dearth of providers as well as insurers, while inexpensive markets tend to be more competitive and have a lower overall cost of living. Article