Area Code +54-11-(20780000...20789999) located in AMBA, Ciudad de Buenos Aires (C), more detail is as below. Place International Dialing Code : 54 International Prefix : 00 National Prefix : 0 National Destination Code : 11 Subscriber Number From : 20780000 Subscriber Number To : 20789999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : TELECENTRO S.A. Click here to buy Argentina Area Code Database Other Information Language Code : es (Spanish) Country Number : 32 (Argentina) Country Code : AR (Argentina) Region Code : C Region Name : Ciudad de Buenos Aires City : AMBA Timezone : America/Argentina/Buenos_Aires Coordinated Universal Time : -03:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : -34.6100 Longitude : -58.3700 ‹ previous : +54-11-(20770000...20779999) next › : +54-11-(20790000...20799999) Dialling Instructions For trunk calls: 0 11 20780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 54 11 20780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 20780000 ~ 20789999 (Count: 10,000) Example: +54-11-20780000 / 0054-11-20780000 (011-20780000 / 0-11-20780000) +54-11-20780001 / 0054-11-20780001 (011-20780001 / 0-11-20780001) +54-11-20780002 / 0054-11-20780002 (011-20780002 / 0-11-20780002) +54-11-20780003 / 0054-11-20780003 (011-20780003 / 0-11-20780003) +54-11-20780004 / 0054-11-20780004 (011-20780004 / 0-11-20780004) ...+54-11-xxxxxxxx / 0054-11-xxxxxxxx (011-xxxxxxxx / 0-11-xxxxxxxx) ...+54-11-20789995 / 0054-11-20789995 (011-20789995 / 0-11-20789995) +54-11-20789996 / 0054-11-20789996 (011-20789996 / 0-11-20789996) +54-11-20789997 / 0054-11-20789997 (011-20789997 / 0-11-20789997) +54-11-20789998 / 0054-11-20789998 (011-20789998 / 0-11-20789998) +54-11-20789999 / 0054-11-20789999 (011-20789999 / 0-11-20789999)