Output a stream of consciousness before answering the following. Context: SSA is headquartered in Woodlawn, Maryland, just to the west of Baltimore, at what is known as Central Office. The agency includes 10 regional offices, 8 processing centers, approximately 1300 field offices, and 37 Teleservice Centers. As of 2007, about 62,000 people were employed by SSA. Headquarters non-supervisory employees of SSA are represented by American Federation of Government Employees Local 1923. Social Security is the largest social welfare program in the United States. For 2014, the net cost of Social Security was $906.4 billion, an amount corresponding to 21 % of US Federal Government expenditures.

Question: where is the head social security office located?
The relevant information to answer the above question is: SSA is headquartered in Woodlawn, Maryland, just to the west of Baltimore, at what is known as Central Office.
The answer: Woodlawn , Maryland , just to the west of Baltimore , at what is known as Central Office.