| Ciudad | Codigo de Area |
| Cañadon Grande | (61) |
| Cañete | (41) |
| Cabeza de Mar | (61) |
| Cabildo | (33) |
| Cabrero | (43) |
| Caburga | (45) |
| Cachagua | (33) |
| Cachapoal | (42) |
| Cachiyuyo | (51) |
| Cahuil | (72) |
| Cahuinpangue | (45) |
| Caimanes | (53) |
| Cajón | (45) |
| Calama | (55) |
| Calbuco | (65) |
| Caldera | (52) |
| Caleta Paposo | (55) |
| Caleu | (2) |
| Caleuche | (72) |
| California | (45) |
| Calleuque | (72) |
| Camarico | (71) |
| Cameron | (61) |
| Camiña | (57) |
| Campanario | (43) |
| Cancura | (64) |
| Canela Alta | (53) |
| Canela Baja | (53) |
| Canteras | (43) |
| Capellania | (42) |
| Capitán Pastene | (45) |
| Carén | (53) |
| Caracol | (64) |
| Carahue | (45) |
| Carampangue | (41) |
| Carelmapu | (65) |
| Carilafquen | (45) |
| Carmen Alto | (55) |
| Carolina de Michilla | (55) |
| Casablanca | (75) |
| Casahui | (45) |
| Casas Viejas | (61) |
| Cascadas | (65) |
| Casma | (65) |
| Castro | (65) |
| Catapilco | (33) |
| Catemu | (34) |
| Catripulli | (45) |
| Cauquenes | (73) |
| Cayumapu | (63) |
| Cayurruca | (64) |
| Cerrillos de Tamaya | (53) |
| Cerrillos | (2) |
| Cerro Castillo | (61) |
| Cerro Dorotea | (61) |
| Cerro Negro | (42) |
| Cerro Sombrero | (61) |
| Chañaral Alto | (53) |
| Chañaral | (52) |
| Chacao | (65) |
| Chacay | (42) |
| Chacayal | (43) |
| Chahuilco | (64) |
| Chanco | (73) |
| Chanlelfu | (45) |
| Charrua | (43) |
| Chaytén | (65) |
| Chepica | (72) |
| Cherquenco | (45) |
| Chile Chico | (67) |
| Chillán | (42) |
| Chillancito | (43) |
| Chillehue | (72) |
| Chimbarongo | (72) |
| Chincolco | (33) |
| Chiu-Chiu | (55) |
| Chocota | (32) |
| Cholchol | (45) |
| Cholguan | (42) |
| Chonchi | (65) |
| Choroico | (45) |
| Choshuenco | (63) |
| Chuchuñi | (53) |
| Chudal | (42) |
| Chungungo | (51) |
| Chuquicamata | (55) |
| Ciruelos | (72) |
| Coñaripe | (63) |
| Cobquecura | (42) |
| Cochamo | (65) |
| Codegua | (72) |
| Codigua | (2) |
| Coelemu | (42) |
| Cogoti | (53) |
| Coihueco | (42) |
| Coinco | (72) |
| Coipue | (45) |
| Colbun | (73) |
| Colchane | (57) |
| Coleal Norte | (42) |
| Colga | (45) |
| Colina | (2) |
| Collimallin | (45) |
| Collipulli | (45) |
| Colonia B.O'Higgins | (42) |
| Coltauco | (72) |
| Comalle | (75) |
| Combarbala | (53) |
| Con-Con | (32) |
| Concepción | (41) |
| Constitución | (71) |
| Contao | (65) |
| Contulmo | (41) |
| Copiapó | (52) |
| Copihue | (73) |
| Copihuelpe | (45) |
| Copiulemu | (41) |
| Coquimbo | (51) |
| Corinto | (71) |
| Coronel | (41) |
| Corral | (63) |
| Corte Alto | (64) |
| Costa Azul | (35) |
| Coyhaique | (67) |
| Cruceros | (64) |
| Cucao | (65) |
| Cumpeo | (75) |
| Cunaco | (72) |
| Cunco | (45) |
| Curacautín | (45) |
| Curacavi | (2) |
| Curaco de Velez | (65) |
| Curanilahue | (41) |
| Curanipe | (73) |
| Curanue | (65) |
| Curarrehue | (45) |
| Curepto | (75) |
| Curico | (75) |
| Curimon | (34) |
| Curtiduria | (71) |
| Cuya | (58) |