Prefix Information

The prefix 340 is part of area code 586 serving Warren, Michigan.

This exchange contains 10,000 possible phone numbers (586-340-0000 through 586-340-9999).

Browse Numbers in This Prefix

586-340-0000-0999 586-340-1000-1999 586-340-2000-2999 586-340-3000-3999 586-340-4000-4999 586-340-5000-5999 586-340-6000-6999 586-340-7000-7999 586-340-8000-8999 586-340-9000-9999

Sample Numbers

(586) 340-0000 (586) 340-1234 (586) 340-2000 (586) 340-3333 (586) 340-4444 (586) 340-5555 (586) 340-6000 (586) 340-7777 (586) 340-8888 (586) 340-9999