Prefix Information

The prefix 550 is part of area code 313 serving Detroit, Michigan.

This exchange contains 10,000 possible phone numbers (313-550-0000 through 313-550-9999).

Browse Numbers in This Prefix

313-550-0000-0999 313-550-1000-1999 313-550-2000-2999 313-550-3000-3999 313-550-4000-4999 313-550-5000-5999 313-550-6000-6999 313-550-7000-7999 313-550-8000-8999 313-550-9000-9999

Sample Numbers

(313) 550-0000 (313) 550-1234 (313) 550-2000 (313) 550-3333 (313) 550-4444 (313) 550-5555 (313) 550-6000 (313) 550-7777 (313) 550-8888 (313) 550-9999