Prefix Information
The prefix 312 is part of area code 737 serving Austin, Texas.
This exchange contains 10,000 possible phone numbers (737-312-0000 through 737-312-9999).
Phone numbers with prefix 312 in area code 737. Location: Austin, Texas.
The prefix 312 is part of area code 737 serving Austin, Texas.
This exchange contains 10,000 possible phone numbers (737-312-0000 through 737-312-9999).