Prefix Information

The prefix 400 is part of area code 203 serving Bridgeport, Connecticut.

This exchange contains 10,000 possible phone numbers (203-400-0000 through 203-400-9999).

Browse Numbers in This Prefix

203-400-0000-0999 203-400-1000-1999 203-400-2000-2999 203-400-3000-3999 203-400-4000-4999 203-400-5000-5999 203-400-6000-6999 203-400-7000-7999 203-400-8000-8999 203-400-9000-9999

Sample Numbers

(203) 400-0000 (203) 400-1234 (203) 400-2000 (203) 400-3333 (203) 400-4444 (203) 400-5555 (203) 400-6000 (203) 400-7777 (203) 400-8888 (203) 400-9999