Prefix Information

The prefix 691 is part of area code 636 serving OFallon, Missouri.

This exchange contains 10,000 possible phone numbers (636-691-0000 through 636-691-9999).

Browse Numbers in This Prefix

636-691-0000-0999 636-691-1000-1999 636-691-2000-2999 636-691-3000-3999 636-691-4000-4999 636-691-5000-5999 636-691-6000-6999 636-691-7000-7999 636-691-8000-8999 636-691-9000-9999

Sample Numbers

(636) 691-0000 (636) 691-1234 (636) 691-2000 (636) 691-3333 (636) 691-4444 (636) 691-5555 (636) 691-6000 (636) 691-7777 (636) 691-8888 (636) 691-9999