Prefix Information
The prefix 257 is part of area code 830 serving New Braunfels, Texas.
This exchange contains 10,000 possible phone numbers (830-257-0000 through 830-257-9999).
Phone numbers with prefix 257 in area code 830. Location: New Braunfels, Texas.
The prefix 257 is part of area code 830 serving New Braunfels, Texas.
This exchange contains 10,000 possible phone numbers (830-257-0000 through 830-257-9999).