Prefix Information

The prefix 278 is part of area code 314 serving St. Louis, Missouri.

This exchange contains 10,000 possible phone numbers (314-278-0000 through 314-278-9999).

Browse Numbers in This Prefix

314-278-0000-0999 314-278-1000-1999 314-278-2000-2999 314-278-3000-3999 314-278-4000-4999 314-278-5000-5999 314-278-6000-6999 314-278-7000-7999 314-278-8000-8999 314-278-9000-9999

Sample Numbers

(314) 278-0000 (314) 278-1234 (314) 278-2000 (314) 278-3333 (314) 278-4444 (314) 278-5555 (314) 278-6000 (314) 278-7777 (314) 278-8888 (314) 278-9999