Home› ZIP Codes› Texas› 78663

ZIP Code 78663

Round Mountain, Texas, United States

Standard ZIP Central Time (CT)
503
Population
1.8
Per sq mile
Blanco
County

About ZIP Code 78663

ZIP code 78663 is assigned to Round Mountain, Blanco County, Texas, United States. It falls in the Central Time (CT) zone. The estimated population of this ZIP code area is 503 with a density of 1.8 people per square mile.

🔍 Looking for another ZIP code? Browse all US ZIP codes →

Location Details

ZIP Code78663
CityRound Mountain
CountyBlanco County
StateTexas
CountryUnited States
TimezoneCentral Time (CT)
Timezone IDAmerica/Chicago
Latitude30.4158
Longitude-98.3114
ZIP TypeStandard ZIP

Post Office

Address10603 US HIGHWAY 281 N
CityROUND MOUNTAIN
StateTX

Nearby ZIP Codes in Texas

78657
Horseshoe Bay
78669
Spicewood
78636
Johnson City
78654
Marble Falls
78620
Dripping Springs
78645
Leander

Frequently Asked Questions

What city is ZIP code 78663 in?

ZIP code 78663 is in Round Mountain, Blanco County, Texas, United States.

What county is ZIP code 78663 in?

ZIP code 78663 is in Blanco County, Texas.

What timezone is ZIP code 78663 in?

ZIP code 78663 is in the Central Time (CT) zone (America/Chicago).

What is the population of ZIP code 78663?

The estimated population of ZIP code 78663 is 503 people with a density of 1.8 people per square mile.

What state is ZIP code 78663 in?

ZIP code 78663 is in Texas (TX), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.