Area Code +56-55-(2780000...2789999) located in Antofagasta, Región de Antofagasta (AN), more detail is as below. Place International Dialing Code : 56 National Destination Code : 55 Subscriber Number From : 2780000 Subscriber Number To : 2789999 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-(2770000...2779999) next › : +56-55-(2790000...2799999) Dialling Instructions For trunk calls: - 55 2780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 56 55 2780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2780000 ~ 2789999 (Count: 10,000) Example: +56-55-2780000 / 56-55-2780000 (55-2780000 / -55-2780000) +56-55-2780001 / 56-55-2780001 (55-2780001 / -55-2780001) +56-55-2780002 / 56-55-2780002 (55-2780002 / -55-2780002) +56-55-2780003 / 56-55-2780003 (55-2780003 / -55-2780003) +56-55-2780004 / 56-55-2780004 (55-2780004 / -55-2780004) ...+56-55-xxxxxxx / 56-55-xxxxxxx (55-xxxxxxx / -55-xxxxxxx) ...+56-55-2789995 / 56-55-2789995 (55-2789995 / -55-2789995) +56-55-2789996 / 56-55-2789996 (55-2789996 / -55-2789996) +56-55-2789997 / 56-55-2789997 (55-2789997 / -55-2789997) +56-55-2789998 / 56-55-2789998 (55-2789998 / -55-2789998) +56-55-2789999 / 56-55-2789999 (55-2789999 / -55-2789999)