The zip codes in Texas differ as per individual counties. Carson County has 4 zip codes - 79039 for Groom Post Office, 79080 for Skellytown Post Office, 79068 for Panhandle Post Office and 79097 for White Deer Post Office.
Frio has 4 zip codes as well - 78005 for Bigfoot Post Office, 78057 for Moore Post Office, 78017 for Dilley Post Office and 78061 for Pearsall Post Office.
In Anderson County, Tennessee Colony Post Office has the most zip codes - 75861, 75884, 75880 and 75886. Palestine Post Office is next with 3 zip codes - 75801, 75882 and 75802. Bailey County has 4 zip codes as well.