Prefix Information

The prefix 278 is part of area code 610 serving Allentown, Pennsylvania.

This exchange contains 10,000 possible phone numbers (610-278-0000 through 610-278-9999).

Browse Numbers in This Prefix

610-278-0000-0999 610-278-1000-1999 610-278-2000-2999 610-278-3000-3999 610-278-4000-4999 610-278-5000-5999 610-278-6000-6999 610-278-7000-7999 610-278-8000-8999 610-278-9000-9999

Sample Numbers

(610) 278-0000 (610) 278-1234 (610) 278-2000 (610) 278-3333 (610) 278-4444 (610) 278-5555 (610) 278-6000 (610) 278-7777 (610) 278-8888 (610) 278-9999