| Business | Phone |
| Grant County Abstract Co 210 E 5th Ave, Milbank 57252 | (605) 432-5461 |
| Grant County Drivers Examiner Courthouse, Milbank 57252 | (605) 432-4770 |
| Grant County Extension Office 210 E 5th Ave, Milbank 57252 | (605) 432-9221 |
| Grant County Public Nurse 210 E 5th Ave, Milbank 57252 | (605) 432-4596 |
| Grant County Register Of Deeds 210 E 5th Ave, Milbank 57252 | (605) 432-4752 |