City Name / Region National Dialing Format International Dialing Format
North6250XXXX+65 6250XXXX
North6251XXXX+65 6251XXXX
North6252XXXX+65 6252XXXX
North6253XXXX+65 6253XXXX
North6254XXXX+65 6254XXXX
North6255XXXX+65 6255XXXX
North6256XXXX+65 6256XXXX
North6258XXXX+65 6258XXXX
North6259XXXX+65 6259XXXX
North635XXXXX+65 635XXXXX