Prefix Information

The prefix 340 is part of area code 517 serving Lansing, Michigan.

This exchange contains 10,000 possible phone numbers (517-340-0000 through 517-340-9999).

Browse Numbers in This Prefix

517-340-0000-0999 517-340-1000-1999 517-340-2000-2999 517-340-3000-3999 517-340-4000-4999 517-340-5000-5999 517-340-6000-6999 517-340-7000-7999 517-340-8000-8999 517-340-9000-9999

Sample Numbers

(517) 340-0000 (517) 340-1234 (517) 340-2000 (517) 340-3333 (517) 340-4444 (517) 340-5555 (517) 340-6000 (517) 340-7777 (517) 340-8888 (517) 340-9999