Prefix Information

The prefix 400 is part of area code 401 serving Providence, Rhode Island.

This exchange contains 10,000 possible phone numbers (401-400-0000 through 401-400-9999).

Browse Numbers in This Prefix

401-400-0000-0999 401-400-1000-1999 401-400-2000-2999 401-400-3000-3999 401-400-4000-4999 401-400-5000-5999 401-400-6000-6999 401-400-7000-7999 401-400-8000-8999 401-400-9000-9999

Sample Numbers

(401) 400-0000 (401) 400-1234 (401) 400-2000 (401) 400-3333 (401) 400-4444 (401) 400-5555 (401) 400-6000 (401) 400-7777 (401) 400-8888 (401) 400-9999