Prefix Information

The prefix 312 is part of area code 217 serving Springfield, Illinois.

This exchange contains 10,000 possible phone numbers (217-312-0000 through 217-312-9999).

Browse Numbers in This Prefix

217-312-0000-0999 217-312-1000-1999 217-312-2000-2999 217-312-3000-3999 217-312-4000-4999 217-312-5000-5999 217-312-6000-6999 217-312-7000-7999 217-312-8000-8999 217-312-9000-9999

Sample Numbers

(217) 312-0000 (217) 312-1234 (217) 312-2000 (217) 312-3333 (217) 312-4444 (217) 312-5555 (217) 312-6000 (217) 312-7777 (217) 312-8888 (217) 312-9999