The 3-digit social security administration (SSA) standard county code of a beneficiary's residence.
Source: SSA/EDB
Comments
The US Census website lists county codes. Also, CMS has core-based statistical area (CBSA) crosswalk files available on their website, which include state and county SSA codes.
The US Census website lists county codes. Also, CMS has core-based statistical area (CBSA) crosswalk files available on their website, which include state and county SSA codes.