Find the last 4 digits (ZIP+4) for an address in 37742

ZIP 37742, Greenback, TN is filled in. Just type the street address.

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ZIP Code 37742 – Greenback, TN

Greenback, Tennessee · Loudon County · Eastern time

ZIP code37742
CityGreenback
StateTennessee
CountyLoudon CountyBlount County
Population7,046
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area49.41 sq mi
Center (lat, long)35.6758, -84.1792

Area codes in this area

865

These are the area codes that most often serve ZIP 37742 (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

37801 Maryville · 5.5 mi37737 Friendsville · 6.8 mi37772 Lenoir City · 8.3 mi37774 Loudon · 10.7 mi37803 Maryville · 11.1 mi37878 Tallassee · 12.4 mi37777 Louisville · 12.4 mi37885 Vonore · 12.4 mi

About ZIP 37742

ZIP code 37742 is assigned to Greenback, Tennessee. It crosses 2 counties; most of its land is in Loudon County. Its Census area covers about 49.41 square miles of land. The closest neighboring ZIP is 37801 (Maryville), about 5.5 miles away.

Every address in 37742 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