Area Code +55-11-(31818000...31818999) located in São Paulo, 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 : 31818000 Subscriber Number To : 31818999 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 : SERMATEL COM. E SERVIÇOS DE TE 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 : São Paulo Timezone : America/Sao_Paulo Coordinated Universal Time : -03:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : -23.5500 Longitude : -46.6400 ‹ previous : +55-11-(31817000...31817999) next › : +55-11-(31819000...31819999) Dialling Instructions For trunk calls: 0 11 31818000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 55 11 31818000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 31818000 ~ 31818999 (Count: 1,000) Example: +55-11-31818000 / 0055-11-31818000 (011-31818000 / 0-11-31818000) +55-11-31818001 / 0055-11-31818001 (011-31818001 / 0-11-31818001) +55-11-31818002 / 0055-11-31818002 (011-31818002 / 0-11-31818002) +55-11-31818003 / 0055-11-31818003 (011-31818003 / 0-11-31818003) +55-11-31818004 / 0055-11-31818004 (011-31818004 / 0-11-31818004) ...+55-11-xxxxxxxx / 0055-11-xxxxxxxx (011-xxxxxxxx / 0-11-xxxxxxxx) ...+55-11-31818995 / 0055-11-31818995 (011-31818995 / 0-11-31818995) +55-11-31818996 / 0055-11-31818996 (011-31818996 / 0-11-31818996) +55-11-31818997 / 0055-11-31818997 (011-31818997 / 0-11-31818997) +55-11-31818998 / 0055-11-31818998 (011-31818998 / 0-11-31818998) +55-11-31818999 / 0055-11-31818999 (011-31818999 / 0-11-31818999)