Prefix Information

The prefix 640 is part of area code 517 serving Lansing, Michigan.

This exchange contains 10,000 possible phone numbers (517-640-0000 through 517-640-9999).

Browse Numbers in This Prefix

517-640-0000-0999 517-640-1000-1999 517-640-2000-2999 517-640-3000-3999 517-640-4000-4999 517-640-5000-5999 517-640-6000-6999 517-640-7000-7999 517-640-8000-8999 517-640-9000-9999

Sample Numbers

(517) 640-0000 (517) 640-1234 (517) 640-2000 (517) 640-3333 (517) 640-4444 (517) 640-5555 (517) 640-6000 (517) 640-7777 (517) 640-8888 (517) 640-9999