To call United States from India, dial: 00 - 1 - Area Code - Land Phone Number 00 - 1 - 10 Digit Mobile Number There are 291 area codes in United States. You need to know the United States Area Codes ...

To make a direct call to Guam From Philippines, you need to follow the international dialing format given below. The dialing format is same for calling Guam mobile or land line from Philippines. To ...