Area Code +55-21-(23912000...23912999) located in Rio de Janeiro, Rio de Janeiro (RJ), more detail is as below. Place International Dialing Code : 55 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 23912000 Subscriber Number To : 23912999 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 : FALKLAND TECNOLOGIA EM TELECOM Click here to buy Brazil Area Code Database Other Information Language Code : pt (Portuguese) Country Number : 76 (Brazil) Country Code : BR (Brazil) Region Code : RJ Region Name : Rio de Janeiro City : Rio de Janeiro Timezone : America/Sao_Paulo Coordinated Universal Time : -03:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : -22.9000 Longitude : -43.2100 ‹ previous : +55-21-(23911000...23911999) next › : +55-21-(23913000...23913999) Dialling Instructions For trunk calls: 0 21 23912000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 55 21 23912000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 23912000 ~ 23912999 (Count: 1,000) Example: +55-21-23912000 / 0055-21-23912000 (021-23912000 / 0-21-23912000) +55-21-23912001 / 0055-21-23912001 (021-23912001 / 0-21-23912001) +55-21-23912002 / 0055-21-23912002 (021-23912002 / 0-21-23912002) +55-21-23912003 / 0055-21-23912003 (021-23912003 / 0-21-23912003) +55-21-23912004 / 0055-21-23912004 (021-23912004 / 0-21-23912004) ...+55-21-xxxxxxxx / 0055-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+55-21-23912995 / 0055-21-23912995 (021-23912995 / 0-21-23912995) +55-21-23912996 / 0055-21-23912996 (021-23912996 / 0-21-23912996) +55-21-23912997 / 0055-21-23912997 (021-23912997 / 0-21-23912997) +55-21-23912998 / 0055-21-23912998 (021-23912998 / 0-21-23912998) +55-21-23912999 / 0055-21-23912999 (021-23912999 / 0-21-23912999)