ZIP code 37742
Where is ZIP code 37742?
Greenback, Tennessee
Loudon County · Standard ZIP code
ZIP code 37742 belongs to Greenback, Tennessee in Loudon County. 37742 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 423 and 865. About 7,046 people live in the 37742 area, where the median household income is $88,983. The closest ZIP codes are 37801 (Maryville, 5.7 mi northeast), 37737 (Friendsville, 7.5 mi northeast) and 37885 (Vonore, 8.4 mi south).
| ZIP code | 37742 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Greenback |
| State | Tennessee (TN) |
| County | Loudon County |
| Time zone | Eastern Time · now |
| Area codes | 423, 865 |
| Coordinates | 35.6567, -84.171 map |
| 3-digit prefix | 377 |
Population and income in 37742
| Population | 7,046 · higher than 60% of Tennessee ZIP codes |
|---|---|
| People per square mile | 143 · higher than 63% of Tennessee ZIP codes |
| Median age | 42.2 years · higher than 50% of Tennessee ZIP codes |
| Men / women | 53% / 47% |
| Median household income | $88,983 · higher than 86% of Tennessee ZIP codes |
| Income per person | $40,000 |
| Below the poverty line | 8.2% |
| Bachelor’s degree or higher | 15% of adults 25+ |
| Median home value | $301,800 · higher than 77% of Tennessee ZIP codes |
| Median rent | $1,054 a month |
| Housing units | 2,877 |
| Households | 2,662 (2.65 people on average) |
| Owners / renters | 92% / 8.1% |
| Land area | 49.41 sq mi (plus 2.88 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 37742. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 37742
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 37801 | Maryville, TN | 5.7 mi NE | Standard |
| 37737 | Friendsville, TN | 7.5 mi NE | Standard |
| 37885 | Vonore, TN | 8.4 mi S | Standard |
| 37772 | Lenoir City, TN | 9.5 mi N | Standard |
| 37803 | Maryville, TN | 9.8 mi E | Standard |
| 37774 | Loudon, TN | 10.9 mi NW | Standard |
| 37878 | Tallassee, TN | 11.2 mi SE | Standard |
| 37771 | Lenoir City, TN | 11.9 mi NW | Standard |
| 37802 | Maryville, TN | 13.2 mi NE | PO Box only |
| 37701 | Alcoa, TN | 13.9 mi NE | Standard |
| 37922 | Knoxville, TN | 14.2 mi N | Standard |
| 37846 | Philadelphia, TN | 14.7 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 37742 or measure the distance to another ZIP code.
How to address mail to 37742
123 MAIN ST
GREENBACK TN 37742
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (37742-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 37742?
- 37742 is a Greenback, Tennessee ZIP code.
- What county is 37742 in?
- ZIP code 37742 is in Loudon County, Tennessee.
- What time zone is ZIP code 37742 in?
- 37742 is in the Eastern Time zone (America/New_York).
- What area code is 37742?
- Phone numbers in ZIP code 37742 use area codes 423 and 865.
- What is the population of ZIP code 37742?
- About 7,046 people live in ZIP code 37742, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 37742?
- The median household income in 37742 is $88,983 a year, higher than 86% of Tennessee ZIP codes.
- What ZIP codes are near 37742?
- The nearest ZIP codes to 37742 are 37801 (Maryville, 5.7 miles), 37737 (Friendsville, 7.5 miles), 37885 (Vonore, 8.4 miles) and 37772 (Lenoir City, 9.5 miles).