Prefix Information
The prefix 427 is part of area code 303 serving Denver, Colorado.
This exchange contains 10,000 possible phone numbers (303-427-0000 through 303-427-9999).
Phone numbers with prefix 427 in area code 303. Location: Denver, Colorado.
The prefix 427 is part of area code 303 serving Denver, Colorado.
This exchange contains 10,000 possible phone numbers (303-427-0000 through 303-427-9999).