Prefix Information

The prefix 403 is part of area code 610 serving Allentown, Pennsylvania.

This exchange contains 10,000 possible phone numbers (610-403-0000 through 610-403-9999).

Browse Numbers in This Prefix

610-403-0000-0999 610-403-1000-1999 610-403-2000-2999 610-403-3000-3999 610-403-4000-4999 610-403-5000-5999 610-403-6000-6999 610-403-7000-7999 610-403-8000-8999 610-403-9000-9999

Sample Numbers

(610) 403-0000 (610) 403-1234 (610) 403-2000 (610) 403-3333 (610) 403-4444 (610) 403-5555 (610) 403-6000 (610) 403-7777 (610) 403-8888 (610) 403-9999