Free US and world-wide postal codes in SQLite and CSV format. Automated zipcode/postal code aggregation and processing for any needs.

Required Ruby Version

>= 3.4.8

Authors

Chris Blackburn, Chris McKnight

Versions

  1. 1.2.1 March 31, 2026 (1.56 MB)
  2. 1.2.0 February 17, 2026 (1.56 MB)
  3. 1.1.0 February 14, 2026 (1.56 MB)
  4. 1.0.6 September 30, 2025 (1.55 MB)
  5. 1.0.5 October 04, 2024 (1.55 MB)
Show all versions (9 total)

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