Prefix Information

The prefix 378 is part of area code 636 serving OFallon, Missouri.

This exchange contains 10,000 possible phone numbers (636-378-0000 through 636-378-9999).

Browse Numbers in This Prefix

636-378-0000-0999 636-378-1000-1999 636-378-2000-2999 636-378-3000-3999 636-378-4000-4999 636-378-5000-5999 636-378-6000-6999 636-378-7000-7999 636-378-8000-8999 636-378-9000-9999

Sample Numbers

(636) 378-0000 (636) 378-1234 (636) 378-2000 (636) 378-3333 (636) 378-4444 (636) 378-5555 (636) 378-6000 (636) 378-7777 (636) 378-8888 (636) 378-9999