| Card phone | 21007 | |
| Card phone airport | 21002 | |
| Card phone Hotel | 21003 | |
| Card phone Mama's Petrol | 21006 | |
| Card phone USP | 21004 | |
| Card phone Wharf | 21005 | |
| Cardphone Front of exchange | 21001 | |
| Central Statistic | 20260 | |
| Christeve Ken Tupele | 20363 | |
| Civil Aviation & Control Tower | 20847 | |
| Clerk of Parliament | 20250 | |
| Comm Trade & Ind Sec Res | 20188 | |
| Comm Trade & Industries .Office | 20184 | |
| Comm Trade & Industries .Office | 20190 | |
| Comm Trade & Industries .Office | 20191 | |
| Comm Trade & Industries Sec. Office | 20182 | |
| Comm.Trade & Indust Executive Office | 20183 | |
| Commerce Trade & Industries. | 20829 | |
| Community Fishing Centre ( Nmea. Is) | 26106 | |
| Computer Department (the Real Mouhala) | 20321 | opet@tuvalu.tv |
| Computer Department FAX | 20819 | noia@tuvalu.tv |
| Computer Trainer | 20320 | kasa@tuvalu.tv |
| Custom Officer (Wharf) | 20743 | |
| Customs General Office | 20239 | |
| Customs Officer FAX | 20816 | |
| Customs Taxation Depts. Cashier | 20238 | |
| Customs Taxation Depts. Off. | 20237 | |
| Customs Taxation Director's. Off. | 20235 |