Prefix Information

The prefix 257 is part of area code 610 serving Allentown, Pennsylvania.

This exchange contains 10,000 possible phone numbers (610-257-0000 through 610-257-9999).

Browse Numbers in This Prefix

610-257-0000-0999 610-257-1000-1999 610-257-2000-2999 610-257-3000-3999 610-257-4000-4999 610-257-5000-5999 610-257-6000-6999 610-257-7000-7999 610-257-8000-8999 610-257-9000-9999

Sample Numbers

(610) 257-0000 (610) 257-1234 (610) 257-2000 (610) 257-3333 (610) 257-4444 (610) 257-5555 (610) 257-6000 (610) 257-7777 (610) 257-8888 (610) 257-9999