Greenback, TN ZIP code
The ZIP code for Greenback, Tennessee is 37742. It is in Loudon County.
- Population in these ZIPs
- 7,046
- Avg. median income
- $89,000population-weighted
- Typical home value
- $442,900population-weighted
- Metro area
- Knoxville, TN
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Greenback, TN ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 37742 | 7,046 | $88,983 | $442,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Greenback
- Friendsville 7 mi
- Loudon 11 mi
- Lenoir City 11 mi
- Maryville 12 mi
- Louisville 12 mi
- Tallassee 12 mi
- Vonore 12 mi
- Alcoa 13 mi
- Madisonville 15 mi
- Sweetwater 16 mi
- Philadelphia 17 mi
- Rockford 19 mi
Frequently asked questions
What is the ZIP code for Greenback, TN?
The ZIP code for Greenback, TN is 37742.
What county is Greenback, Tennessee in?
Greenback ZIP codes are in Loudon County.