| Business | Phone |
| County Barn 14210 County Road 3610, Ada 74820 | (580) 332-3626 |
| County Extension Center 1700 N Broadway Ave, Ada 74820 | (580) 332-7011 |
| Nutrition For Senior Citizens 704 N Oak Ave # 3, Ada 74820 | (580) 436-0383 |
| Pontotoc Cnty Purchasing Office 100 W 13th St, Ada 74820 | (580) 436-5613 |
| Pontotoc County Agri-Plex 1710 N Broadway Ave # 3, Ada 74820 | (580) 332-9267 |
| Pontotoc County Commissioners 100 W 13th St, Ada 74820 | (580) 332-8977 |
| Pontotoc County Election Board 120 W 13th St # 202, Ada 74820 | (580) 332-4534 |
| Pontotoc County Guidance Center 1630 E Beverly St, Ada 74820 | (580) 332-2016 |
| Pontotoc County Information 15425 County Road 3540, Ada 74820 | (580) 332-0558 |
| Pontotoc County Osu Ext 1700 N Broadway Ave, Ada 74820 | (580) 332-2153 |
| Pontotoc County Recorder 100 W 13th St # 205, Ada 74820 | (580) 332-1425 |
| Pontotoc County Restitution 105 W 13th St, Ada 74820 | (580) 332-0378 |