Q3 2026 ZIP-to-locality crosswalk release
Effective July 1 – September 30, 2026. It is the immutable dataset vintage behind any site page that cites this release.
Overview
Release
Q3 2026
ZIP-to-locality crosswalk
Effective
Effective July 1 – September 30, 2026
Source files
1
member files recorded
Revision
v1
only published version we ingested
The quarterly crosswalk mapping every 5-digit ZIP code to the Medicare payment locality whose GPCIs price claims from that ZIP.
The publisher released this dataset as zip-code-carrier-locality-file-updated-05-13-2026.zip. We ingested it on Jul 10, 2026.