Isabela.wals.zip [WORKING]

This indicates a compressed folder. In GIS contexts, shapefiles must often be zipped to be imported into mapping software. How to Use the File WALS Online - Home

Refers to Isabela Municipio in Puerto Rico, which uses the ZIP code 00662. Isabela.WALS.zip

The filename likely refers to two distinct types of data frequently packaged together: This indicates a compressed folder