All over New Hampshire, towns are divided into even smaller communities; Barnstead contains Center Barnstead, Barnstead Parade, and South Barnstead. There’s Conway, North Conway and Center Conway. Chocorua, South Tamworth, Wonalancet, and Whittier - are all part of the town of Tamworth. This prompted a listener to our Only in New Hampshire series to write in and ask ,why are so many towns split up this way? NHPR’s Molly Donahue found the answer to that question with a visit to Grafton. Listen to