Find the last 4 digits (ZIP+4) for an address in 75831

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ZIP Code 75831 – Buffalo, TX

Buffalo, Texas · Leon County · Central time

ZIP code75831
CityBuffalo
StateTexas
CountyLeon CountyFreestone County
Population4,881
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area250.96 sq mi
Center (lat, long)31.4737, -96.0094

Area codes in this area

430

These are the area codes that most often serve ZIP 75831 (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

75855 Oakwood · 10.3 mi77850 Concord · 11.1 mi75838 Donie · 13 mi75846 Jewett · 13.2 mi75833 Centerville · 17.2 mi75860 Teague · 17.3 mi77865 Marquez · 21.4 mi75886 Tennessee Colony · 21.7 mi

About ZIP 75831

ZIP code 75831 is assigned to Buffalo, Texas. It crosses 2 counties; most of its land is in Leon County. Its Census area covers about 250.96 square miles of land. The closest neighboring ZIP is 75855 (Oakwood), about 10.3 miles away.

Every address in 75831 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