The Guaranty Trust Bank (GTB) came up with a USSD code that helps to make transactions easier. They call it the 737 code; there is a popular song about the code used for advert by the bank. The code has become so popular but many persons do not know the full use of the code, there are many functions of the 737 GTB code. Use 737 to open a GTB Account Simply dial … [Read more...]