Prefix Information
The prefix 311 is part of area code 479 serving Fort Smith, Arkansas.
This exchange contains 10,000 possible phone numbers (479-311-0000 through 479-311-9999).
Phone numbers with prefix 311 in area code 479. Location: Fort Smith, Arkansas.
The prefix 311 is part of area code 479 serving Fort Smith, Arkansas.
This exchange contains 10,000 possible phone numbers (479-311-0000 through 479-311-9999).