Prefix Information

The prefix 623 is part of area code 610 serving Allentown, Pennsylvania.

This exchange contains 10,000 possible phone numbers (610-623-0000 through 610-623-9999).

Browse Numbers in This Prefix

610-623-0000-0999 610-623-1000-1999 610-623-2000-2999 610-623-3000-3999 610-623-4000-4999 610-623-5000-5999 610-623-6000-6999 610-623-7000-7999 610-623-8000-8999 610-623-9000-9999

Sample Numbers

(610) 623-0000 (610) 623-1234 (610) 623-2000 (610) 623-3333 (610) 623-4444 (610) 623-5555 (610) 623-6000 (610) 623-7777 (610) 623-8888 (610) 623-9999