Party City is Now at Staples

ZIP centroid data

Source: GeoNames — US postal code data

License: Creative Commons Attribution 4.0 International (CC-BY 4.0)

License link: https://creativecommons.org/licenses/by/4.0/

Notes: The GeoNames postal code file was parsed and converted to a compact JSON mapping (zip → lat/lon) for local lookup by the store locator. The dataset was filtered/cleaned for this project.

Fuse.js (fuzzy search)

Fuse.js (used for fuzzy city/state matching) is available under the MIT License.

Source: https://github.com/krisk/fuse

License: MIT