Find the last 4 digits (ZIP+4) for an address in 77320

ZIP 77320, Huntsville, TX is filled in. Just type the street address.

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ZIP Code 77320 – Huntsville, TX

Huntsville, Texas · Walker County · Central time

ZIP code77320
CityHuntsville
StateTexas
CountyWalker CountySan Jacinto County
Population38,152
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area343.61 sq mi
Center (lat, long)30.8077, -95.5580

Area codes in this area

936

These are the area codes that most often serve ZIP 77320 (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

77342 Huntsville · 4.8 mi77343 Huntsville · 5.8 mi77344 Huntsville · 5.8 mi77348 Huntsville · 5.8 mi77349 Huntsville · 5.8 mi77341 Huntsville · 7.6 mi77367 Riverside · 10.3 mi77340 Huntsville · 10.6 mi

About ZIP 77320

ZIP code 77320 is assigned to Huntsville, Texas. It crosses 2 counties; most of its land is in Walker County. Its Census area covers about 343.61 square miles of land. The closest neighboring ZIP is 77342 (Huntsville), about 4.8 miles away.

Every address in 77320 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