Prefix Information
The prefix 721 is part of area code 540 serving Roanoke, Virginia.
This exchange contains 10,000 possible phone numbers (540-721-0000 through 540-721-9999).
Phone numbers with prefix 721 in area code 540. Location: Roanoke, Virginia.
The prefix 721 is part of area code 540 serving Roanoke, Virginia.
This exchange contains 10,000 possible phone numbers (540-721-0000 through 540-721-9999).