| Business | Phone |
| Dickinson Twp Supervisors 219 Mountainview Rd, Mt Holly Springs 17065 | (717) 486-7424 |
| Mount Holly Springs Sewer Plnt 11 Mill St, Mt Holly Springs 17065 | (717) 486-7460 |
| Mt Holly Springs Adm 200 Harmon St, Mt Holly Springs 17065 | (717) 486-7613 |
| Mt Holly Springs Sewer Dept 200 Harmon St, Mt Holly Springs 17065 | (717) 486-7601 |