American Express Bank 1800 392 2000
Bank of China 1800 338 5335
CIMB 6438 1118
Citibank 6225 5225
DBS Bank 1800 111 1111
Diners Club 6416 0800
HSBC 1800 227 8888
Industrial and Commercial Bank of China 6538 1066
Maybank 1800 629 2265
OCBC Bank 1800 363 3333
RHB Singapore 1800 323 0100
Standard Chartered Bank 1800 747 7000
United Overseas Bank 1800 355 1212