Area Code +54-11-(21550000...21559999) 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 : 21550000 Subscriber Number To : 21559999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : CTI COMPAÑIA DE TELEFONOS DEL INTERIOR S.A. (actualmente denominada AMX ARGENTINA 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-(21540000...21549999) next › : +54-11-(21560000...21569999) Dialling Instructions For trunk calls: 0 11 21550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 54 11 21550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 21550000 ~ 21559999 (Count: 10,000) Example: +54-11-21550000 / 0054-11-21550000 (011-21550000 / 0-11-21550000) +54-11-21550001 / 0054-11-21550001 (011-21550001 / 0-11-21550001) +54-11-21550002 / 0054-11-21550002 (011-21550002 / 0-11-21550002) +54-11-21550003 / 0054-11-21550003 (011-21550003 / 0-11-21550003) +54-11-21550004 / 0054-11-21550004 (011-21550004 / 0-11-21550004) ...+54-11-xxxxxxxx / 0054-11-xxxxxxxx (011-xxxxxxxx / 0-11-xxxxxxxx) ...+54-11-21559995 / 0054-11-21559995 (011-21559995 / 0-11-21559995) +54-11-21559996 / 0054-11-21559996 (011-21559996 / 0-11-21559996) +54-11-21559997 / 0054-11-21559997 (011-21559997 / 0-11-21559997) +54-11-21559998 / 0054-11-21559998 (011-21559998 / 0-11-21559998) +54-11-21559999 / 0054-11-21559999 (011-21559999 / 0-11-21559999)