Prefix Information

The prefix 400 is part of area code 219 serving Gary, Indiana.

This exchange contains 10,000 possible phone numbers (219-400-0000 through 219-400-9999).

Browse Numbers in This Prefix

219-400-0000-0999 219-400-1000-1999 219-400-2000-2999 219-400-3000-3999 219-400-4000-4999 219-400-5000-5999 219-400-6000-6999 219-400-7000-7999 219-400-8000-8999 219-400-9000-9999

Sample Numbers

(219) 400-0000 (219) 400-1234 (219) 400-2000 (219) 400-3333 (219) 400-4444 (219) 400-5555 (219) 400-6000 (219) 400-7777 (219) 400-8888 (219) 400-9999