Prefix Information
The prefix 644 is part of area code 430 serving Tyler, Texas.
This exchange contains 10,000 possible phone numbers (430-644-0000 through 430-644-9999).
Phone numbers with prefix 644 in area code 430. Location: Tyler, Texas.
The prefix 644 is part of area code 430 serving Tyler, Texas.
This exchange contains 10,000 possible phone numbers (430-644-0000 through 430-644-9999).