ZIP+4® centroid coordinates have been updated statewide. This update includes new records assigned by the US Postal Service.
For history on the publication of ZIP+4® centroid coordinates visit this article.
ZIP+4® on Statewide FTP: ftp://ftp.geostor.arkansas.gov/Public_Statewide/
Thanks to the USPS and Matt DeLong for producing this data for public consumption on GeoStor!