Prefix Information

The prefix 400 is part of area code 217 serving Springfield, Illinois.

This exchange contains 10,000 possible phone numbers (217-400-0000 through 217-400-9999).

Browse Numbers in This Prefix

217-400-0000-0999 217-400-1000-1999 217-400-2000-2999 217-400-3000-3999 217-400-4000-4999 217-400-5000-5999 217-400-6000-6999 217-400-7000-7999 217-400-8000-8999 217-400-9000-9999

Sample Numbers

(217) 400-0000 (217) 400-1234 (217) 400-2000 (217) 400-3333 (217) 400-4444 (217) 400-5555 (217) 400-6000 (217) 400-7777 (217) 400-8888 (217) 400-9999