Dallas County Texas is covered by a total of 165 ZIP Codes. There are 17 ZIP Codes in Dallas County that extend into adjacent counties (Collin County, Denton County, Ellis County, Kaufman County, Rockwall County, and Tarrant County). Of the ZIP codes within or partially within Dallas County there are 92 Standard ZIP Codes, 24 Unique ZIP Codes and 48 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Dallas County and can be turned on and off. Each type of postal code can also be turned on and off.