Prefix Information

The prefix 550 is part of area code 517 serving Lansing, Michigan.

This exchange contains 10,000 possible phone numbers (517-550-0000 through 517-550-9999).

Browse Numbers in This Prefix

517-550-0000-0999 517-550-1000-1999 517-550-2000-2999 517-550-3000-3999 517-550-4000-4999 517-550-5000-5999 517-550-6000-6999 517-550-7000-7999 517-550-8000-8999 517-550-9000-9999

Sample Numbers

(517) 550-0000 (517) 550-1234 (517) 550-2000 (517) 550-3333 (517) 550-4444 (517) 550-5555 (517) 550-6000 (517) 550-7777 (517) 550-8888 (517) 550-9999