create map by zip code - SERP Analysis

https://support.google.com/maps/thread/4830567/how-can-i-create-a-custom-map-with-zip-code-boundaries-for-specific-zip-codes-i-have-a-list-in-csv?hl=en

https://www.easymapmaker.com/info/map-zip-codes-from-excel/

https://www.randymajors.org/customgmap

https://www.reddit.com/r/GoogleMaps/comments/9mkdbp/zip_code_mapping/

https://www.mapize.com/create-a-map-from-zip-codes/

https://zipcodeheatmap.com/

https://community.tableau.com/s/question/0D58b0000AmTryeCQC/creating-very-simple-map-of-just-zip-codes

https://www.batchgeo.com/

https://techcommunity.microsoft.com/discussions/excelgeneral/mapping-group-of-zip-codes/2771574

https://community.esri.com/t5/arcgis-online-questions/creating-map-with-zip-codes/td-p/1348709