Find the last 4 digits (ZIP+4) for an address in 37166

ZIP 37166, Smithville, TN is filled in. Just type the street address.

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ZIP Code 37166 – Smithville, TN

Smithville, Tennessee · DeKalb County · Central time

ZIP code37166
CitySmithville
StateTennessee
CountyDeKalb CountyWarren CountyCannon County
Population15,731
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area154.59 sq mi
Center (lat, long)35.9180, -85.7869

Area codes in this area

865

These are the area codes that most often serve ZIP 37166 (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

37059 Dowelltown · 8 mi37095 Liberty · 10.3 mi38587 Walling · 10.3 mi38582 Silver Point · 12.6 mi38550 Campaign · 13.4 mi38569 Lancaster · 14.4 mi38579 Quebeck · 14.5 mi38544 Baxter · 15.2 mi

About ZIP 37166

ZIP code 37166 is assigned to Smithville, Tennessee. It crosses 3 counties; most of its land is in DeKalb County. Its Census area covers about 154.59 square miles of land. The closest neighboring ZIP is 37059 (Dowelltown), about 8 miles away.

Every address in 37166 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