The Arkansas GIS Office has processed an update to the ZIP Plus 4 dataset available on gis.arkansas.gov at https://gis.arkansas.gov/product/zip-plus-4/ or via feature or map service at https://gis.arkansas.gov/arcgis/rest/services/FEATURESERVICES/Location/FeatureServer/

This base data serves a variety of public functions that include index layer for address match/geocoding applications, and Streamlines Sales and Tax source jurisdiction assignment. The location of each point was determined by geocoding either the low, high, or mid value for each ZIP+4® address range. All attribute data is drawn from the USPS® (United States Postal Service®) ZIP+4® product – see also supplementary information This information is published by the Arkansas Geographic Information Office, an Arkansas State Government Agency, which holds a non-exclusive license from the United States Postal Service® to publish the information.