Prefix Information

The prefix 304 is part of area code 217 serving Springfield, Illinois.

This exchange contains 10,000 possible phone numbers (217-304-0000 through 217-304-9999).

Browse Numbers in This Prefix

217-304-0000-0999 217-304-1000-1999 217-304-2000-2999 217-304-3000-3999 217-304-4000-4999 217-304-5000-5999 217-304-6000-6999 217-304-7000-7999 217-304-8000-8999 217-304-9000-9999

Sample Numbers

(217) 304-0000 (217) 304-1234 (217) 304-2000 (217) 304-3333 (217) 304-4444 (217) 304-5555 (217) 304-6000 (217) 304-7777 (217) 304-8888 (217) 304-9999