Find the last 4 digits (ZIP+4) for an address in 37931

ZIP 37931, Knoxville, TN is filled in. Just type the street address.

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ZIP Code 37931 – Knoxville, TN

Knoxville, Tennessee · Knox County · Eastern time

ZIP code37931
CityKnoxville
StateTennessee
CountyKnox CountyAnderson County
Population31,842
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area28.37 sq mi
Center (lat, long)35.9763, -84.1263

Area codes in this area

865

These are the area codes that most often serve ZIP 37931 (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

37923 Knoxville · 4.2 mi37932 Knoxville · 5.7 mi37909 Knoxville · 6.1 mi37849 Powell · 6.9 mi37921 Knoxville · 7 mi37934 Knoxville · 7.5 mi37922 Knoxville · 8.1 mi37912 Knoxville · 8.2 mi

About ZIP 37931

ZIP code 37931 is assigned to Knoxville, Tennessee. It crosses 2 counties; most of its land is in Knox County. Its Census area covers about 28.37 square miles of land. The closest neighboring ZIP is 37923 (Knoxville), about 4.2 miles away.

Every address in 37931 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