Prefix Information
The prefix 687 is part of area code 610 serving Allentown, Pennsylvania.
This exchange contains 10,000 possible phone numbers (610-687-0000 through 610-687-9999).
Phone numbers with prefix 687 in area code 610. Location: Allentown, Pennsylvania.
The prefix 687 is part of area code 610 serving Allentown, Pennsylvania.
This exchange contains 10,000 possible phone numbers (610-687-0000 through 610-687-9999).