Contact Us HEP Se habla Español. Madison, Commercial Avenue Campus, 108 2125 Commercial Ave. Madison, WI 53704 Email Us (608) 259-2977 (608) 571-2441 (608) 246-5203 Hours Monday: 8 a.m. - 4:00 p.m. Tuesday: 8 a.m. - 4:00 p.m. Wednesday: 8 a.m. - 4:00 p.m. Thursday: 8 a.m. - 4:00 p.m. Friday: 8 a.m. - 4:00 p.m.