Find the last 4 digits (ZIP+4) for an address in 78640

ZIP 78640, Kyle, TX is filled in. Just type the street address.

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ZIP Code 78640 – Kyle, TX

Kyle, Texas · Hays County · Central time

ZIP code78640
CityKyle
StateTexas
CountyHays CountyCaldwell CountyTravis County
Population77,531
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area89.57 sq mi
Center (lat, long)29.9949, -97.8212

Area codes in this area

512737

These are the area codes that most often serve ZIP 78640 (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

78610 Buda · 6 mi78656 Maxwell · 6.3 mi78652 Manchaca · 9.9 mi78747 Austin · 10.2 mi78748 Austin · 11.4 mi78667 San Marcos · 11.6 mi78644 Lockhart · 12.2 mi78655 Martindale · 12.4 mi

About ZIP 78640

ZIP code 78640 is assigned to Kyle, Texas. It crosses 3 counties; most of its land is in Hays County. Its Census area covers about 89.57 square miles of land. The closest neighboring ZIP is 78610 (Buda), about 6 miles away.

Every address in 78640 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