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Instructions for Downloading the Medicare ZIP Code File for January 2011

Guidance for the process for updating the two Medicare ZIP Code files (ZIP5 and ZIP9) for the January 2011 quarter.

Download the Guidance Document

Final

Issued by: Centers for Medicare & Medicaid Services (CMS)

Issue Date: September 10, 2010

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DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.