Processing Time for Social Security Letter from ISS: one business day. We will not contact you to pick up the letter.
Processing Time for completed SSN application: around 10 business days, but may be more for international students with common family/given names.
Social Security Administration Office Address & Hours
6011 Odana Road, Madison, WI 53719
Hours: Monday, Tuesday, Thursday, Friday: 9:00 AM – 4:00 PM; Wednesday 9:00 AM – 12:00 PM
For other office locations: www.ssa.gov/locator