Mclennan County Texas is covered by a total of 35 ZIP Codes. There are 13 ZIP Codes in Mclennan County that extend into adjacent counties (Bell County, Bosque County, Coryell County, Falls County, Hill County, and Limestone County). Of the ZIP codes within or partially within Mclennan County there are 25 Standard ZIP Codes, 2 Unique ZIP Codes and 7 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 Mclennan County and can be turned on and off. Each type of postal code can also be turned on and off.