Prefix Information

The prefix 691 is part of area code 610 serving Allentown, Pennsylvania.

This exchange contains 10,000 possible phone numbers (610-691-0000 through 610-691-9999).

Browse Numbers in This Prefix

610-691-0000-0999 610-691-1000-1999 610-691-2000-2999 610-691-3000-3999 610-691-4000-4999 610-691-5000-5999 610-691-6000-6999 610-691-7000-7999 610-691-8000-8999 610-691-9000-9999

Sample Numbers

(610) 691-0000 (610) 691-1234 (610) 691-2000 (610) 691-3333 (610) 691-4444 (610) 691-5555 (610) 691-6000 (610) 691-7777 (610) 691-8888 (610) 691-9999