Karaikudi Goverment Office Contacts
| Office Name | Contact No |
| P.Chidambaram M.P. | 226888, 98101 35951 |
| N.Sundram M.L.A. | 230990, 94431 33032 |
| District Collector | 241465 |
| Sudarsan Nachiappan M.P. | 239999, 98681 18909 |
| S.Muthuthurai,Chairman | 224444, 94431 24444 |
| Municipal Office | 238201 |
| Municipal Commissioner | 238133 |
| Municipal Engineer | 237050 |
| Taluk Office | 238307 |
| R.T.O. | 227879 |
| Aavin | 255003, 255700 To 703 |
| District Register | 238037 |
| Register Senjai | 221080 |
| L.I.C. | 227550, 237609, 238121 |
| CECRI | 227550 |
| CECRI Director | 227779, 227550, 227551, 227552, 227553, 227554, 227555, 227556, 227557, 227558, 227559 |
| Central Excise | 238675 |
| Head Post Office | 238812, 234511(sb) |
| Sudt. of Post Office | 224548, 224245 |
| Alagappa Univ. V.C. | 225200 |
| Alagappa Univ. Office | 225205, 228080 To 95 |
| Alagappa Univ. Registrar | 226001 |
| Alagappa Univ.Dist.Edn | 228098, 229230 |
| Alagappa Arts College | 224521 |
| Alagappa Arts Principal | 227730 |
| Sales Tax | 235984 |
| Income Tax | 224242 |
| Government Library | 232340 |
| Alagappa Engineering College | 224538 |