The map website also gives you ways of listing the zip codes which fall under that encircled region. There’s also a page which draws the zip regions over a Google map ( try it ); its great for some visual research.
Our Colorado Zip Code map is a detailed map of the state, showing the distribution of the nearly 650 zip codes in the Centennial State. The individual Zip Codes are color codes for easy reference. The map also includes an inset for the greater Denver metro area.
Jun 19, 2017 · ZIP Code Radius Search module (Size 518 bytes): This module allows you to add proximity search easily to existing search forms. You enter zip code, select max.
Jan 28, 2014 · Here are several alternatives: 1. Tableau Public: How to Create a Geographical Heat Map - however, this requires that your data is posted publicly on the web. 2. R+ggplot2: Maps in R: choropleth maps 3.