ZIP Code 78631 – Harper, Texas | ZipsCode.us
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ZIP Code 78631
Harper, Texas · Gillespie
ZIP code 78631 belongs to the city of Harper in Texas (Gillespie). See all Texas ZIP Codes.
ZIP code 78631 belongs to Harper, Texas, in Gillespie. If you are mailing a letter or package to this area, use Harper, TX 78631 in the address. On this page you will find the city and county for 78631, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 78631?
The city for ZIP code 78631 is Harper, Texas. When you write an address in this area, the correct format is: Name, Street Address, Harper, TX 78631.
ZIP Code 78631 County and State
ZIP code 78631 is located in Gillespie, Texas. For a complete list of cities and ZIP codes across the state, see the Texas ZIP Codes page.
Nearby ZIP Codes in Gillespie
These ZIP codes are in the same county as 78631:
ZIP Code 78631 on the Map
The map below shows the approximate center of ZIP code 78631, near Harper, Texas. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 30.2816, -99.241). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 78631
According to public U.S. Census Bureau data, ZIP code 78631 is home to a community in Texas. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 78631
Need the full ZIP+4 code for a specific street address in Harper? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 78631?
ZIP code 78631 is for Harper, Texas.
What county is ZIP code 78631 in?
ZIP code 78631 is in Gillespie, Texas.
What state is ZIP code 78631 in?
ZIP code 78631 is in Texas (TX).
How do I find the ZIP+4 for an address in 78631?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 78631?
Nearby ZIP codes include 78618 (Doss), 78624 (Fredericksburg), 78671 (Stonewall), 78675 (Willow City).
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