Area Code +55-66-(21010000...21010999) located in Rondonópolis, 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 : 21010000 Subscriber Number To : 21010999 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 : EMBRATEL 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 : Rondonópolis Timezone : America/Cuiaba Coordinated Universal Time : -04:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : -16.4700 Longitude : -54.6400 ‹ previous : +55-65-(99999000...99999999) next › : +55-66-(21011000...21011999) Dialling Instructions For trunk calls: 0 66 21010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 55 66 21010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 21010000 ~ 21010999 (Count: 1,000) Example: +55-66-21010000 / 0055-66-21010000 (066-21010000 / 0-66-21010000) +55-66-21010001 / 0055-66-21010001 (066-21010001 / 0-66-21010001) +55-66-21010002 / 0055-66-21010002 (066-21010002 / 0-66-21010002) +55-66-21010003 / 0055-66-21010003 (066-21010003 / 0-66-21010003) +55-66-21010004 / 0055-66-21010004 (066-21010004 / 0-66-21010004) ...+55-66-xxxxxxxx / 0055-66-xxxxxxxx (066-xxxxxxxx / 0-66-xxxxxxxx) ...+55-66-21010995 / 0055-66-21010995 (066-21010995 / 0-66-21010995) +55-66-21010996 / 0055-66-21010996 (066-21010996 / 0-66-21010996) +55-66-21010997 / 0055-66-21010997 (066-21010997 / 0-66-21010997) +55-66-21010998 / 0055-66-21010998 (066-21010998 / 0-66-21010998) +55-66-21010999 / 0055-66-21010999 (066-21010999 / 0-66-21010999)