Prefix Information

The prefix 420 is part of area code 608 serving Madison, Wisconsin.

This exchange contains 10,000 possible phone numbers (608-420-0000 through 608-420-9999).

Browse Numbers in This Prefix

608-420-0000-0999 608-420-1000-1999 608-420-2000-2999 608-420-3000-3999 608-420-4000-4999 608-420-5000-5999 608-420-6000-6999 608-420-7000-7999 608-420-8000-8999 608-420-9000-9999

Sample Numbers

(608) 420-0000 (608) 420-1234 (608) 420-2000 (608) 420-3333 (608) 420-4444 (608) 420-5555 (608) 420-6000 (608) 420-7777 (608) 420-8888 (608) 420-9999