Prefix Information
The prefix 399 is part of area code 254 serving Waco, Texas.
This exchange contains 10,000 possible phone numbers (254-399-0000 through 254-399-9999).
Phone numbers with prefix 399 in area code 254. Location: Waco, Texas.
The prefix 399 is part of area code 254 serving Waco, Texas.
This exchange contains 10,000 possible phone numbers (254-399-0000 through 254-399-9999).