Find the last 4 digits (ZIP+4) for an address in 78631

ZIP 78631, Harper, TX is filled in. Just type the street address.

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ZIP Code 78631 – Harper, TX

Harper, Texas · Kimble County · Central time

ZIP code78631
CityHarper
StateTexas
CountyKimble CountyGillespie CountyKerr County
Population3,465
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area299.77 sq mi
Center (lat, long)30.3398, -99.3066

Area codes in this area

830

These are the area codes that most often serve ZIP 78631 (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

78618 Doss · 12.9 mi78025 Ingram · 18.1 mi76854 London · 19.9 mi78028 Kerrville · 22.6 mi78058 Mountain Home · 23.8 mi76856 Mason · 24.3 mi78024 Hunt · 26 mi78624 Fredericksburg · 26.2 mi

About ZIP 78631

ZIP code 78631 is assigned to Harper, Texas. It crosses 3 counties; most of its land is in Kimble County. Its Census area covers about 299.77 square miles of land. The closest neighboring ZIP is 78618 (Doss), about 12.9 miles away.

Every address in 78631 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