Singapore Calling Codes

Country Code +65

City Codes not required.
Singapore underwent a numbering plan change in 2002. Previous 7-digit numbers were prefixed by a "6" to form an 8-digit number.
SingtelGSM-900/1800
MobileOne GSM-900/1800
MobileOneCDMA-1900
StarhubGSM-1800
Singapore Calling Codes, International Calling Codes, Phone Calls, Dialing, Area Code, Phone Dialing, International Dialing Codes, Calling Country Codes, Country Code, City Codes