Prefix Information

The prefix 550 is part of area code 314 serving St. Louis, Missouri.

This exchange contains 10,000 possible phone numbers (314-550-0000 through 314-550-9999).

Browse Numbers in This Prefix

314-550-0000-0999 314-550-1000-1999 314-550-2000-2999 314-550-3000-3999 314-550-4000-4999 314-550-5000-5999 314-550-6000-6999 314-550-7000-7999 314-550-8000-8999 314-550-9000-9999

Sample Numbers

(314) 550-0000 (314) 550-1234 (314) 550-2000 (314) 550-3333 (314) 550-4444 (314) 550-5555 (314) 550-6000 (314) 550-7777 (314) 550-8888 (314) 550-9999