Find the last 4 digits (ZIP+4) for an address in 78657

ZIP 78657, Horseshoe Bay, TX is filled in. Just type the street address.

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ZIP Code 78657 – Horseshoe Bay, TX

Horseshoe Bay, Texas · Llano County · Central time

ZIP code78657
CityHorseshoe Bay
StateTexas
CountyLlano CountyBurnet County
Population7,591
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area38.77 sq mi
Center (lat, long)30.5334, -98.3784

Area codes in this area

830

These are the area codes that most often serve ZIP 78657 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

78663 Round Mountain · 9 mi78639 Kingsland · 9.6 mi78654 Marble Falls · 10.3 mi78636 Johnson City · 15.2 mi78609 Buchanan Dam · 15.4 mi78669 Spicewood · 16.4 mi78611 Burnet · 19.3 mi78675 Willow City · 20.7 mi

About ZIP 78657

ZIP code 78657 is assigned to Horseshoe Bay, Texas. It crosses 2 counties; most of its land is in Llano County. Its Census area covers about 38.77 square miles of land. The closest neighboring ZIP is 78663 (Round Mountain), about 9 miles away.

Every address in 78657 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources