Prefix Information

The prefix 623 is part of area code 608 serving Madison, Wisconsin.

This exchange contains 10,000 possible phone numbers (608-623-0000 through 608-623-9999).

Browse Numbers in This Prefix

608-623-0000-0999 608-623-1000-1999 608-623-2000-2999 608-623-3000-3999 608-623-4000-4999 608-623-5000-5999 608-623-6000-6999 608-623-7000-7999 608-623-8000-8999 608-623-9000-9999

Sample Numbers

(608) 623-0000 (608) 623-1234 (608) 623-2000 (608) 623-3333 (608) 623-4444 (608) 623-5555 (608) 623-6000 (608) 623-7777 (608) 623-8888 (608) 623-9999