Area Code +55-66-(99999000...99999999) located in Mobile telephone service, Mato Grosso (MT), more detail is as below. Place International Dialing Code : 55 International Prefix : 00 National Prefix : 0 National Destination Code : 66 Subscriber Number From : 99999000 Subscriber Number To : 99999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : VIVO S.A. Click here to buy Brazil Area Code Database Other Information Language Code : pt (Portuguese) Country Number : 76 (Brazil) Country Code : BR (Brazil) Region Code : MT Region Name : Mato Grosso City : Mobile telephone service Timezone : America/Cuiaba Coordinated Universal Time : -04:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : -12.6800 Longitude : -56.9200 ‹ previous : +55-66-(99998000...99998999) next › : +55-67-(20210000...20210999) Dialling Instructions For trunk calls: 0 66 99999000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 55 66 99999000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 99999000 ~ 99999999 (Count: 1,000) Example: +55-66-99999000 / 0055-66-99999000 (066-99999000 / 0-66-99999000) +55-66-99999001 / 0055-66-99999001 (066-99999001 / 0-66-99999001) +55-66-99999002 / 0055-66-99999002 (066-99999002 / 0-66-99999002) +55-66-99999003 / 0055-66-99999003 (066-99999003 / 0-66-99999003) +55-66-99999004 / 0055-66-99999004 (066-99999004 / 0-66-99999004) ...+55-66-xxxxxxxx / 0055-66-xxxxxxxx (066-xxxxxxxx / 0-66-xxxxxxxx) ...+55-66-99999995 / 0055-66-99999995 (066-99999995 / 0-66-99999995) +55-66-99999996 / 0055-66-99999996 (066-99999996 / 0-66-99999996) +55-66-99999997 / 0055-66-99999997 (066-99999997 / 0-66-99999997) +55-66-99999998 / 0055-66-99999998 (066-99999998 / 0-66-99999998) +55-66-99999999 / 0055-66-99999999 (066-99999999 / 0-66-99999999)