Prefix Information
The prefix 603 is part of area code 806 serving Lubbock, Texas.
This exchange contains 10,000 possible phone numbers (806-603-0000 through 806-603-9999).
Phone numbers with prefix 603 in area code 806. Location: Lubbock, Texas.
The prefix 603 is part of area code 806 serving Lubbock, Texas.
This exchange contains 10,000 possible phone numbers (806-603-0000 through 806-603-9999).