Prefix Information

The prefix 540 is part of area code 314 serving St. Louis, Missouri.

This exchange contains 10,000 possible phone numbers (314-540-0000 through 314-540-9999).

Browse Numbers in This Prefix

314-540-0000-0999 314-540-1000-1999 314-540-2000-2999 314-540-3000-3999 314-540-4000-4999 314-540-5000-5999 314-540-6000-6999 314-540-7000-7999 314-540-8000-8999 314-540-9000-9999

Sample Numbers

(314) 540-0000 (314) 540-1234 (314) 540-2000 (314) 540-3333 (314) 540-4444 (314) 540-5555 (314) 540-6000 (314) 540-7777 (314) 540-8888 (314) 540-9999