Area Code +55-11-(31990000...31990999) located in Guarulhos, São Paulo (SP), more detail is as below. Place International Dialing Code : 55 International Prefix : 00 National Prefix : 0 National Destination Code : 11 Subscriber Number From : 31990000 Subscriber Number To : 31990999 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 : AMERICA NET LTDA Click here to buy Brazil Area Code Database Other Information Language Code : pt (Portuguese) Country Number : 76 (Brazil) Country Code : BR (Brazil) Region Code : SP Region Name : São Paulo City : Guarulhos Timezone : America/Sao_Paulo Coordinated Universal Time : -03:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : -23.4600 Longitude : -46.5300 ‹ previous : +55-11-(31989000...31989999) next › : +55-11-(31991000...31991999) Dialling Instructions For trunk calls: 0 11 31990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 55 11 31990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 31990000 ~ 31990999 (Count: 1,000) Example: +55-11-31990000 / 0055-11-31990000 (011-31990000 / 0-11-31990000) +55-11-31990001 / 0055-11-31990001 (011-31990001 / 0-11-31990001) +55-11-31990002 / 0055-11-31990002 (011-31990002 / 0-11-31990002) +55-11-31990003 / 0055-11-31990003 (011-31990003 / 0-11-31990003) +55-11-31990004 / 0055-11-31990004 (011-31990004 / 0-11-31990004) ...+55-11-xxxxxxxx / 0055-11-xxxxxxxx (011-xxxxxxxx / 0-11-xxxxxxxx) ...+55-11-31990995 / 0055-11-31990995 (011-31990995 / 0-11-31990995) +55-11-31990996 / 0055-11-31990996 (011-31990996 / 0-11-31990996) +55-11-31990997 / 0055-11-31990997 (011-31990997 / 0-11-31990997) +55-11-31990998 / 0055-11-31990998 (011-31990998 / 0-11-31990998) +55-11-31990999 / 0055-11-31990999 (011-31990999 / 0-11-31990999)