Prefix Information

The prefix 203 is part of area code 517 serving Lansing, Michigan.

This exchange contains 10,000 possible phone numbers (517-203-0000 through 517-203-9999).

Browse Numbers in This Prefix

517-203-0000-0999 517-203-1000-1999 517-203-2000-2999 517-203-3000-3999 517-203-4000-4999 517-203-5000-5999 517-203-6000-6999 517-203-7000-7999 517-203-8000-8999 517-203-9000-9999

Sample Numbers

(517) 203-0000 (517) 203-1234 (517) 203-2000 (517) 203-3333 (517) 203-4444 (517) 203-5555 (517) 203-6000 (517) 203-7777 (517) 203-8888 (517) 203-9999