Q1 2019 ZIP-to-locality crosswalk release
Effective January 1 – March 31, 2019. It is the immutable dataset vintage behind any site page that cites this release.
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Release
Q1 2019
ZIP-to-locality crosswalk
Effective
Effective January 1 – March 31, 2019
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-to-Carrier-Locality.zip. We ingested it on Aug 10, 2026.