Prefix Information

The prefix 666 is part of area code 608 serving Madison, Wisconsin.

This exchange contains 10,000 possible phone numbers (608-666-0000 through 608-666-9999).

Browse Numbers in This Prefix

608-666-0000-0999 608-666-1000-1999 608-666-2000-2999 608-666-3000-3999 608-666-4000-4999 608-666-5000-5999 608-666-6000-6999 608-666-7000-7999 608-666-8000-8999 608-666-9000-9999

Sample Numbers

(608) 666-0000 (608) 666-1234 (608) 666-2000 (608) 666-3333 (608) 666-4444 (608) 666-5555 (608) 666-6000 (608) 666-7777 (608) 666-8888 (608) 666-9999