This layer is not being updated, and should only be lookked upon as a historical reflection from the time when COVID was actively being worked as a world-wide pandemic.This data is no longer being updated and is only for research activities. The zipcodes shown in this layer have not been updated since sometime in 2023.**Special Note: Zipcodes are not really true geometry, but a rough loop aournd mail routes that did not participate in any type of spatial topology. The result is that ZipCodes did not follow normal toplogical rules inside of GIS Deskstop software.Additionally, these looped areas can and do change at any time without any warning. The data is owned by the USPS and is not shared In

Geospatial data about Smyth County, Virginia Zip Codes. Export to CAD, GIS, PDF, CSV and access via API.

This feature layer provides a map layer containing Security Zones for the United States as contained in the Code of Federal Regulation documentation. A security zone is an area of land, water, or land and water which is so designated by the Captain of the Port or District Commander for such time as is necessary to prevent damage or injury to any vessel or waterfront facility, to safeguard ports, harbors, territories, or waters of the United States or to secure the observance of the rights and obligations of the United States. The purpose of a security zone is to safeguard from destruction, loss, or injury from sabotage or other subversive acts, accidents, or other causes of a similar nature: (1) Vessels, (2) Harbors, (3) Ports, and (4) Waterfront facilities