Prefix Information

The prefix 340 is part of area code 217 serving Springfield, Illinois.

This exchange contains 10,000 possible phone numbers (217-340-0000 through 217-340-9999).

Browse Numbers in This Prefix

217-340-0000-0999 217-340-1000-1999 217-340-2000-2999 217-340-3000-3999 217-340-4000-4999 217-340-5000-5999 217-340-6000-6999 217-340-7000-7999 217-340-8000-8999 217-340-9000-9999

Sample Numbers

(217) 340-0000 (217) 340-1234 (217) 340-2000 (217) 340-3333 (217) 340-4444 (217) 340-5555 (217) 340-6000 (217) 340-7777 (217) 340-8888 (217) 340-9999