Prefix Information
The prefix 603 is part of area code 380 serving Columbus, Ohio.
This exchange contains 10,000 possible phone numbers (380-603-0000 through 380-603-9999).
Phone numbers with prefix 603 in area code 380. Location: Columbus, Ohio.
The prefix 603 is part of area code 380 serving Columbus, Ohio.
This exchange contains 10,000 possible phone numbers (380-603-0000 through 380-603-9999).