How to call Dallas in United States from United States:
1 - Exit code when making an international call from United States
1 + (678 or 770 or 704 or 503 or 570 or 610 or 605 or 214 or 469 or 682 or 817 or 972 or 304 or 715) + Local Number - International dialing code format
Note: United States and United States are both members of NANP (North American Numbering Plan) so when calling between these countries, 1 is used in place of the country exit code.
World time zone information: