The best sources of information are at the main visitor centers, and there are plenty of them. Many smaller centers open seasonally. Also useful is www.outerbanks.org.
Aycock Brown Welcome Center On the bypass in Kitty Hawk; has maps and information.
Hatteras Island Visitor Center Beside Cape Hatteras Lighthouse.
Ocracoke Island Visitor Center Near the southern ferry dock.
Sarah Owen Welcome Center Just east of Virginia Dare Memorial Bridge on the Hwy 64 Bypass on Roanoke Island.
Whalebone Welcome Center At the intersection of Hwy 64 and Hwy 12 in Nags Head.