Common crosswalks and fact tables, including ZIP to FIPS and ZCTA, NAICS versions, and country encodings.


This database contains common crosswalks and fact tables, including country encodings, NAICS versions, ZIP Code to ZCTA, NAICS to SIC, and FIPS to ZIP Code. The true value of the crosswalks data is in the ability to slice, dice, and join other data to the crosswalks, such as census data.

County Encodings
Various encodings, such as alpha-2 and alpha-3 codes (ISO 3166), for the countries of the world.


  • countries.csv

NAICS (North American Industry Classification System) codes for 2017, 2012, 2007, and 2002 and corresponding crosswalks, providing direct relationships between versions.


  • 2-6 digit_2017_codes.xlsx
  • 2-digit_2012_Codes.xls
  • 2007_to_2012_NAICS.xls
  • 2012_to_2007_NAICS.xls
  • 2012_to_2017_NAICS.xlsx
  • 2017_NAICS_Cross_References.xlsx
  • 2017_to_2012_NAICS.xlsx, naics07.xls
  • naics_2_6_02_.csv

ZIP Code to ZCTA

ZIP Code to ZCTA crosswalk


  • zip_to_zcta_2019.xlsx


NAICS (North American Industry Class-action System) to SIC (Standard Industrial Classification) crosswalk


  • NAICS_to_SIC_Crosswalk.csv, SIC_to_NAICS_Crosswalk.csv

FIPS to ZIP Code

FIPS (Federal Information Processing Standards) to ZIP Code crosswalk


  • fips_zip_x.csv
Update Frequency:

Daily, Weekly, and Yearly datasets

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