Prefix Information
The prefix 311 is part of area code 401 serving Providence, Rhode Island.
This exchange contains 10,000 possible phone numbers (401-311-0000 through 401-311-9999).
Phone numbers with prefix 311 in area code 401. Location: Providence, Rhode Island.
The prefix 311 is part of area code 401 serving Providence, Rhode Island.
This exchange contains 10,000 possible phone numbers (401-311-0000 through 401-311-9999).