Prefix Information
The prefix 139 is part of area code 720 serving Denver, Colorado.
This exchange contains 10,000 possible phone numbers (720-139-0000 through 720-139-9999).
Phone numbers with prefix 139 in area code 720. Location: Denver, Colorado.
The prefix 139 is part of area code 720 serving Denver, Colorado.
This exchange contains 10,000 possible phone numbers (720-139-0000 through 720-139-9999).