US city and ZIP suggestions derived from GeoNames postal data.
Source: https://download.geonames.org/export/zip/US.zip
Attribution: GeoNames — https://www.geonames.org/
License: Creative Commons Attribution 4.0 — https://creativecommons.org/licenses/by/4.0/
Downloaded: 2026-10-20. Changes: retained city/state/ZIP fields; grouped and deduplicated entries; limited to 50 states and DC.
Source SHA-256: 3ee24e812cd1d44a3ec697be4eea9041b1d71c0c302c81b8490f78c3ed5570bb
Data is provided as-is; completeness, timeliness and accuracy are not guaranteed.
This directory does not validate street addresses, ZIP+4 extensions, freight serviceability or delivery availability.