Find the last 4 digits (ZIP+4) for an address in 78609

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ZIP Code 78609 – Buchanan Dam, TX

Buchanan Dam, Texas · Llano County · Central time

ZIP code78609
CityBuchanan Dam
StateTexas
CountyLlano County
Population1,983
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area15.88 sq mi
Center (lat, long)30.7469, -98.4514

Area codes in this area

830

These are the area codes that most often serve ZIP 78609 (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

78607 Bluffton · 5.5 mi78639 Kingsland · 6.3 mi78672 Tow · 9.6 mi78611 Burnet · 10.6 mi76824 Bend · 13.1 mi78657 Horseshoe Bay · 15.4 mi78643 Llano · 16.3 mi78654 Marble Falls · 18.7 mi

About ZIP 78609

ZIP code 78609 is assigned to Buchanan Dam, Texas. It lies in Llano County. Its Census area covers about 15.88 square miles of land. The closest neighboring ZIP is 78607 (Bluffton), about 5.5 miles away.

Every address in 78609 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