| Business | Phone |
| Windham Building Dept 3 N Lowell Rd, Windham 3087 | (603) 432-3806 |
| Windham Selectmen's Office 4 N Lowell Rd, Windham 3087 | (603) 432-7732 |
| Windham Town Beach 45 Cobbetts Pond Rd, Windham 3087 | (603) 893-6244 |
| Windham Transfer & Recycling 1 Ledge Rd, Windham 3087 | (603) 426-5102 |