Prefix Information

The prefix 400 is part of area code 424 serving Santa Monica, California.

This exchange contains 10,000 possible phone numbers (424-400-0000 through 424-400-9999).

Browse Numbers in This Prefix

424-400-0000-0999 424-400-1000-1999 424-400-2000-2999 424-400-3000-3999 424-400-4000-4999 424-400-5000-5999 424-400-6000-6999 424-400-7000-7999 424-400-8000-8999 424-400-9000-9999

Sample Numbers

(424) 400-0000 (424) 400-1234 (424) 400-2000 (424) 400-3333 (424) 400-4444 (424) 400-5555 (424) 400-6000 (424) 400-7777 (424) 400-8888 (424) 400-9999