Dial 001 first
Dial the US country code 1
Dial the 3-digit area code
Dial the 7-digit local number
Example: 001 1 XXX XXX XXXX
If using a mobile, you can also dial +1 instead of 001 1
Dial 001 first
Dial the US country code 1
Dial the 3-digit area code
Dial the 7-digit local number
Example: 001 1 XXX XXX XXXX
If using a mobile, you can also dial +1 instead of 001 1