Prefix Information

The prefix 540 is part of area code 610 serving Allentown, Pennsylvania.

This exchange contains 10,000 possible phone numbers (610-540-0000 through 610-540-9999).

Browse Numbers in This Prefix

610-540-0000-0999 610-540-1000-1999 610-540-2000-2999 610-540-3000-3999 610-540-4000-4999 610-540-5000-5999 610-540-6000-6999 610-540-7000-7999 610-540-8000-8999 610-540-9000-9999

Sample Numbers

(610) 540-0000 (610) 540-1234 (610) 540-2000 (610) 540-3333 (610) 540-4444 (610) 540-5555 (610) 540-6000 (610) 540-7777 (610) 540-8888 (610) 540-9999