Thank you so much for your suggestion. Actually I am new in ArcGIS Map Application. I am trying to build a web application using ArcGIS java script library. I have idea how to create base map, how to add points using feature layer. But the problem is, i don't know how to add ZIP/ZCTA layer to my base map and what type of layer i have to chose for plotting Zip/ZCTA. Is there any ESRI service that automatically create zip layer and i could map my data with it. Or I would have to create my own rest service that provide Zip/ZCTA delivery points. If i have to create my own service then what type of geometry(point/polygon/etc) and what type of layer I will use to add. Please suggest me how to proceed. if you have any sample please provide me. I also want to know how to use shape file (downloaded from the link provided by you) in java script. If possible please provide me any contact number for further discussion.
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