The dialing format is same for calling United States mobile or land line from Singapore. There are 291 area codes in United States. You need to know the United States Area Codes to make an ...

The dialing format is same for calling United Kingdom mobile or land line from South Africa. To call United Kingdom from South Africa, dial: 00 - 44 - Area Code - Land Phone Number 00 - 44 - 10 Digit ...