Prefix Information

The prefix 306 is part of area code 217 serving Springfield, Illinois.

This exchange contains 10,000 possible phone numbers (217-306-0000 through 217-306-9999).

Browse Numbers in This Prefix

217-306-0000-0999 217-306-1000-1999 217-306-2000-2999 217-306-3000-3999 217-306-4000-4999 217-306-5000-5999 217-306-6000-6999 217-306-7000-7999 217-306-8000-8999 217-306-9000-9999

Sample Numbers

(217) 306-0000 (217) 306-1234 (217) 306-2000 (217) 306-3333 (217) 306-4444 (217) 306-5555 (217) 306-6000 (217) 306-7777 (217) 306-8888 (217) 306-9999