| Business | Phone |
| Warner Highway Garage 190 Route 103 W, Warner 3278 | (603) 456-3366 |
| Warner Highway Garage Main, Warner 3278 | (603) 456-3366 |
| Warner Planning Board Office 5 E Main St, Warner 3278 | (603) 456-3004 |
| Warner Sewage Disposal Plant 55 W Joppa Rd, Warner 3278 | (603) 456-3890 |
| Warner Town Adm Town Hall, Warner 3278 | (603) 456-3433 |
| Warner Transfer & Recycling 188 Route 103 E, Warner 3278 | (603) 456-3303 |