ZIP Code 78657 is located in the county of Llano in the state of Texas. 78657 ZIP Code is spread between the coordinates of +30.5454414 Latitude and -98.36278370 Longitude. 78657 ZIP Code is part of the 830 area code. There is 1 postal office in zip code 78657.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 78657. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.