The Centers for Medicare & Medicaid Services (CMS) requests Medicare Administrative Contractors (MACs) use updated 5-digit and 9-digit ZIP Code Files to be used for pricing Medicare claims. These files, ZIP5 and ZIP9, are updated by CMS quarterly.
Subject: Instructions for Downloading the Medicare ZIP Code File for July 2017
Release Date: Feb. 24, 2017
Effective Date: July 1, 2017
Implementation Date: July 23, 2017
Special Notes: N/A