localis
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Q1 2022 ZIP-to-locality crosswalk release

Effective January 1 – March 31, 2022. It is the immutable dataset vintage behind any site page that cites this release.

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Release

Q1 2022

ZIP-to-locality crosswalk

Effective

Effective January 1 – March 31, 2022

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.