State of New Hampshire - Charlestown
- Part of the state's official site. Town's mailing address, population, county, and districts for election purposes. Includes related links.
- http://www.nh.gov/municipal/charlest.html

Fort at No. 4
- Authentically reconstructed settlement of Charlestown of the 1740s with calendar of events, visitor information, timeline, resources and online store.
- http://www.fortat4.com/