Area Code +56-55-(2370000...2379999) located in Antofagasta, Región de Antofagasta (AN), more detail is as below. Place International Dialing Code : 56 National Destination Code : 55 Subscriber Number From : 2370000 Subscriber Number To : 2379999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Compañía de Telecomunicaciones de Chile S.A. Click here to buy Chile Area Code Database Other Information Language Code : es (Spanish) Country Number : 152 (Chile) Country Code : CL (Chile) Region Code : AN Region Name : Región de Antofagasta City : Antofagasta Timezone : America/Santiago Coordinated Universal Time : -04:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : -23.6300 Longitude : -70.3900 ‹ previous : +56-55-(2360000...2369999) next › : +56-55-(2380000...2389999) Dialling Instructions For trunk calls: - 55 2370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 56 55 2370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2370000 ~ 2379999 (Count: 10,000) Example: +56-55-2370000 / 56-55-2370000 (55-2370000 / -55-2370000) +56-55-2370001 / 56-55-2370001 (55-2370001 / -55-2370001) +56-55-2370002 / 56-55-2370002 (55-2370002 / -55-2370002) +56-55-2370003 / 56-55-2370003 (55-2370003 / -55-2370003) +56-55-2370004 / 56-55-2370004 (55-2370004 / -55-2370004) ...+56-55-xxxxxxx / 56-55-xxxxxxx (55-xxxxxxx / -55-xxxxxxx) ...+56-55-2379995 / 56-55-2379995 (55-2379995 / -55-2379995) +56-55-2379996 / 56-55-2379996 (55-2379996 / -55-2379996) +56-55-2379997 / 56-55-2379997 (55-2379997 / -55-2379997) +56-55-2379998 / 56-55-2379998 (55-2379998 / -55-2379998) +56-55-2379999 / 56-55-2379999 (55-2379999 / -55-2379999)