Prefix Information

The prefix 440 is part of area code 636 serving OFallon, Missouri.

This exchange contains 10,000 possible phone numbers (636-440-0000 through 636-440-9999).

Browse Numbers in This Prefix

636-440-0000-0999 636-440-1000-1999 636-440-2000-2999 636-440-3000-3999 636-440-4000-4999 636-440-5000-5999 636-440-6000-6999 636-440-7000-7999 636-440-8000-8999 636-440-9000-9999

Sample Numbers

(636) 440-0000 (636) 440-1234 (636) 440-2000 (636) 440-3333 (636) 440-4444 (636) 440-5555 (636) 440-6000 (636) 440-7777 (636) 440-8888 (636) 440-9999