| Business | Phone |
| Knox County Building Mntnc 62 Union St, Rockland 4841 | (207) 594-0449 |
| Knox County Commissioners Ofc 62 Union St, Rockland 4841 | (207) 594-0420 |
| Knox County Emer Mgmt Agency 62 Union St, Rockland 4841 | (207) 594-5155 |
| Knox County Register Of Deeds 62 Union St, Rockland 4841 | (207) 594-0422 |
| Knox County Register-Probate 62 Union St, Rockland 4841 | (207) 594-0427 |