Town of Plymouth, New Hampshire
- Official site. Town departments, committees, forms, and ordinances.
- http://www.plymouth-nh.org/

State of New Hampshire - Plymouth
- 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/plymouth.html

P.P.D.
- Official Plymouth police department site.
- http://www.plymouthpd.com

Plymouth Chamber of Commerce
- Business directory, chamber news, area employment openings, education resources, local services, transit schedule, dining and lodging directory, request form, and member information.
- http://www.plymouthnh.org/