← Area code 608
608-227 phone numbers
Numbers 608-227-0000 to 608-227-9999 are assigned to Level 3 Communications, LLC in Madison, WI.
Not assigned to any carrier: 608-227-0xxx, 608-227-1xxx, 608-227-5xxx, 608-227-6xxx, 608-227-7xxx, 608-227-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.