Prefix Information

The prefix 340 is part of area code 313 serving Detroit, Michigan.

This exchange contains 10,000 possible phone numbers (313-340-0000 through 313-340-9999).

Browse Numbers in This Prefix

313-340-0000-0999 313-340-1000-1999 313-340-2000-2999 313-340-3000-3999 313-340-4000-4999 313-340-5000-5999 313-340-6000-6999 313-340-7000-7999 313-340-8000-8999 313-340-9000-9999

Sample Numbers

(313) 340-0000 (313) 340-1234 (313) 340-2000 (313) 340-3333 (313) 340-4444 (313) 340-5555 (313) 340-6000 (313) 340-7777 (313) 340-8888 (313) 340-9999