Prefix Information

The prefix 668 is part of area code 608 serving Madison, Wisconsin.

This exchange contains 10,000 possible phone numbers (608-668-0000 through 608-668-9999).

Browse Numbers in This Prefix

608-668-0000-0999 608-668-1000-1999 608-668-2000-2999 608-668-3000-3999 608-668-4000-4999 608-668-5000-5999 608-668-6000-6999 608-668-7000-7999 608-668-8000-8999 608-668-9000-9999

Sample Numbers

(608) 668-0000 (608) 668-1234 (608) 668-2000 (608) 668-3333 (608) 668-4444 (608) 668-5555 (608) 668-6000 (608) 668-7777 (608) 668-8888 (608) 668-9999