Prefix Information

The prefix 300 is part of area code 314 serving St. Louis, Missouri.

This exchange contains 10,000 possible phone numbers (314-300-0000 through 314-300-9999).

Browse Numbers in This Prefix

314-300-0000-0999 314-300-1000-1999 314-300-2000-2999 314-300-3000-3999 314-300-4000-4999 314-300-5000-5999 314-300-6000-6999 314-300-7000-7999 314-300-8000-8999 314-300-9000-9999

Sample Numbers

(314) 300-0000 (314) 300-1234 (314) 300-2000 (314) 300-3333 (314) 300-4444 (314) 300-5555 (314) 300-6000 (314) 300-7777 (314) 300-8888 (314) 300-9999