Prefix Information

The prefix 400 is part of area code 973 serving Newark, New Jersey.

This exchange contains 10,000 possible phone numbers (973-400-0000 through 973-400-9999).

Browse Numbers in This Prefix

973-400-0000-0999 973-400-1000-1999 973-400-2000-2999 973-400-3000-3999 973-400-4000-4999 973-400-5000-5999 973-400-6000-6999 973-400-7000-7999 973-400-8000-8999 973-400-9000-9999

Sample Numbers

(973) 400-0000 (973) 400-1234 (973) 400-2000 (973) 400-3333 (973) 400-4444 (973) 400-5555 (973) 400-6000 (973) 400-7777 (973) 400-8888 (973) 400-9999